
PARTS MANUAL
GLP/GDP40VX5, GLP/GDP40VX6,
GLP/GDP45SVX5, GLP/GDP45VX6,
GLP/GDP50-55VX
(F813)

MODEL NOMENCLATURE
NOTE:
This parts manual contains alternate pages for certain assemblies. The truck model code can be used to determine
many of the assemblies on your lift truck (power, tire type, mast type). The complete truck model and serial number
are stamped into the nameplate. See Identification of Truck Serial Number on Page xv for further information.

SECTIONS
1 GENERAL TRUCK
2 DIESEL ENGINE
3 LPG ENGINES
4 FUEL SYSTEM
5 ELECTRICAL SYSTEM
6 STEERING SYSTEM
7 BRAKE SYSTEM
8 TRANSMISSION
9 HYDRAULIC SYSTEM
10 MAST-TWO STAGE LIMITED FREE-LIFT
11 MAST-THREE STAGE FULL FREE-LIFT
12 MAST-TWO STAGE FULL FREE-LIFT
13 FORKS, LOAD BACKREST, AND MAST INSTALLATION
14 ATTACHMENTS AND HEADER HOSE GROUP
15 OPTIONS
16 NUMERICAL INDEX
This Parts Manual is divided into 17 major sections which are listed above. Quick reference to these sections can
be made by placing the right thumb on the tab of the desired section, bending the book back and thumbing the
pages to the corresponding tab.


GENERAL INFORMATION
ALPHABETICAL INDEX
DESCRIPTION PAGE NO.
A
ABBREVIATIONS QUICK REFERENCE SHEET .................................................................................................. xii
ACCUMULATOR .............................................................................................................................................. 15.10
AIR CLEANER
CUMMINS 4.5L DIESEL ................................................................................................................................... 4.6
GM 4.3L LPG
PENDING PER ECN 105105⇒ .................................................................................................................... 4.4
⇒PENDING PER ECN 105105 .................................................................................................................... 4.2
AIR FILTER......................................................................................................................................................... 4.10
AIR HEATER STARTING AID
CUMMINS 4.5L DIESEL ................................................................................................................................. 2.18
ALPHABETICAL INDEX............................................................................................................................................ i
ALTERNATOR MOUNTING
CUMMINS 4.5L DIESEL ................................................................................................................................. 5.16
ASSEMBLED ENGINE
GM 4.3L LPG
SHEET 1 OF 3 ............................................................................................................................................ 3.20
SHEET 2 OF 3 ............................................................................................................................................ 3.24
SHEET 3 OF 3 ............................................................................................................................................ 3.26
AUXILARY TUBE EXTENSIONS
THREE STAGE FULL FREE-LIFT ................................................................................................................ 14.40
TWO STAGE FULL FREE-LIFT .................................................................................................................... 14.42
TWO STAGE LIMITED FREE-LIFT............................................................................................................... 14.38
AUXILIARY ONE AND TWO
MANUAL CONTROL VALVE
THREE AND FOUR FUNCTION
PENDING PER ECN 104512⇒............................................................................................................... 9.24
⇒PENDING PER ECN 104512 ............................................................................................................... 9.22
AUXILIARY ONE SECTION
ELECTRONIC CONTROL VALVE
THREE AND FOUR FUNCTION ................................................................................................................. 9.38
AUXILIARY TWO SECTION
ELECTRONIC CONTROL VALVE
FOUR FUNCTION....................................................................................................................................... 9.40
B
BACK UP ALARM .............................................................................................................................................. 15.8
BATTERY CABLES
CUMMINS 4.5L DIESEL ................................................................................................................................. 5.14
GM 4.3L ............................................................................................................................................................ 5.8
BRAKE ASSEMBLY
GLP/GDP40VX5, 40VX6, 45SVX5
DRY BRAKE ................................................................................................................................................ 7.18
GLP/GDP45VX6, GLP/GDP50-55VX
DRY BRAKE ................................................................................................................................................ 7.20
BRAKE COOLING SYSTEM
SINGLE AND DUAL PEDAL
WET BRAKE ............................................................................................................................................... 7.26
i

GENERAL INFORMATION
DESCRIPTION PAGE NO.
B (continued)
BRAKE LINKAGE
DUAL PEDAL
DRY BRAKE.................................................................................................................................................. 7.6
WET BRAKE ............................................................................................................................................... 7.14
SINGLE PEDAL
DRY BRAKE.................................................................................................................................................. 7.2
WET BRAKE ............................................................................................................................................... 7.10
BRAKE MASTER CYLINDER ASSEMBLY ........................................................................................................ 7.24
C
CAB
INTERIOR
WITH STEEL AND PVC DOORS
PENDING PER ECN 104918⇒............................................................................................................... 1.52
⇒PENDING PER ECN 104918 ............................................................................................................... 1.50
PVC DOORS .................................................................................................................................................. 1.36
WINDOWS AND WINDOW WIPER SYSTEM
WITH STEEL AND PVC DOORS
PENDING PER ECN 104918⇒............................................................................................................... 1.42
⇒PENDING PER ECN 104918 ............................................................................................................... 1.38
WIRING AND ATTACHING PARTS
WITH STEEL AND PVC DOORS
PENDING PER ECN 104918⇒............................................................................................................... 1.48
⇒PENDING PER ECN 104918 ............................................................................................................... 1.46
CAB AND ATTACHING PARTS
WITH PVC DOORS ........................................................................................................................................ 1.34
WITH STEEL DOORS .................................................................................................................................... 1.26
CAMSHAFT
CUMMINS 4.5L DIESEL ................................................................................................................................. 2.27
CAMSHAFT AND OIL PAN
GM 4.3L LPG .................................................................................................................................................. 3.32
CARRIAGE
THREE STAGE FULL FREE-LIFT ................................................................................................................ 11.24
THREE STAGE FULL FREE-LIFT .................................................................................................................. 14.6
TWO STAGE FULL FREE-LIFT .................................................................................................................... 12.18
TWO STAGE FULL FREE-LIFT ...................................................................................................................... 14.4
TWO STAGE LIMITED FREE-LIFT............................................................................................................... 10.16
TWO STAGE LIMITED FREE-LIFT................................................................................................................. 14.2
CARRIER ASSEMBLY
DRY BRAKE ................................................................................................................................................... 8.82
CENTRAL HOUSING
WET BRAKE ................................................................................................................................................... 8.28
COIL ASSEMBLY
GM 4.3L LPG .................................................................................................................................................. 3.40
CONTROL LEVER LABELS
MANUAL HYDRAULICS ................................................................................................................................. 1.72
CONTROL VALVE
TRANSMISSION
ii

GENERAL INFORMATION
DESCRIPTION PAGE NO.
C (continued)
⇒PENDING PER ECN 104793 .................................................................................................................. 8.58
CONTROL VALVE ASSEMBLY
ELECTRONIC CONTROL
FOUR FUNCTION....................................................................................................................................... 9.30
THREE FUNCTION..................................................................................................................................... 9.28
MANUAL CONTROL VALVE
THREE AND FOUR FUNCTION ................................................................................................................. 9.16
PENDING PER ECN 104793⇒ ...................................................................................................................... 8.60
COOLING SYSTEM
WITH EXTERNAL OIL COOLER
CUMMINS 4.5L DIESEL
⇒PENDING PER ECN 10402518 ............................................................................................................. 2.4
PENDING PER ECN 1042518⇒............................................................................................................... 2.6
GM 4.3L, LPG
PENDING PER ECN 10402518⇒........................................................................................................... 3.12
PENDING PER ECN 10402518⇒........................................................................................................... 3.14
WITH INTERNAL OIL COOLER
CUMMINS 4.5L DIESEL
PENDING PER ECN 10402518⇒........................................................................................................... 2.10
⇒PENDING PER ECN 10402518 ............................................................................................................. 2.8
GM 4.3L LPG
PENDING PER ECN 10402518⇒........................................................................................................... 3.10
GM 4.3L, LPG
⇒PENDING PER ECN 10402518 ............................................................................................................. 3.8
COUNTERWEIGHT ............................................................................................................................................. 1.8
COWL ELECTRICAL.......................................................................................................................................... 5.20
COWL MOUNTING ............................................................................................................................................ 1.24
CRANKCASE BREATHER
CUMMINS 4.5L DIESEL ................................................................................................................................. 2.34
CRANKSHAFT AND MAIN BEARINGS
CUMMINS 4.5L DIESEL ................................................................................................................................. 2.46
CYLINDER BLOCK
CUMMINS 4.5L DIESEL ................................................................................................................................. 2.24
GM 4.3L LPG .................................................................................................................................................. 3.30
CYLINDER HEAD
CUMMINS 4.5L DIESEL ................................................................................................................................. 2.42
GM 4.3L LPG .................................................................................................................................................. 3.28
D
DIFFERENTIAL
DRY BRAKE ................................................................................................................................................... 8.80
WET BRAKE................................................................................................................................................... 8.76
DISTRIBUTOR ASSEMBLY
GM 4.3L LPG .................................................................................................................................................. 5.10
DRIVE AXLE AND ATTACHINGPARTS
DRY BRAKE ................................................................................................................................................... 8.62
WET BRAKE................................................................................................................................................... 8.68
DRIVE AXLE ASSEMBLY
iii

GENERAL INFORMATION
DESCRIPTION PAGE NO.
D (continued)
DRY BRAKE ................................................................................................................................................... 8.64
DRIVE AXLE HOUSING AND HUB
WET BRAKE ................................................................................................................................................... 8.70
DRIVE TIRE AND WHEEL
PNEUMATIC RADIAL ..................................................................................................................................... 8.86
SINGLE MOUNT WITH STANDARD TREAD ................................................................................................. 8.84
SINGLE MOUNT WITH WIDE TREAD ........................................................................................................... 8.85
SNAP-ON SOLID TIRE................................................................................................................................... 8.88
DUAL MIRRORS
WITH CAB ...................................................................................................................................................... 15.6
E
ELECTRICAL SYSTEM
RIGHT HAND CHASSIS ................................................................................................................................... 5.4
ELECTRO HYDRAULIC POPPET VALVE
THREE AND FOUR FUNCTION .................................................................................................................... 9.36
ELECTRONIC CONTROL LEVERS
MINI-LEVER MODULES
FOUR FUNCTION
PENDING PER ECN 104977⇒............................................................................................................... 5.32
⇒PENDING PER ECN 104977 ............................................................................................................... 5.28
THREE FUNCTION
PENDING PER ECN 104977⇒............................................................................................................... 5.30
⇒PENDING PER ECN 104977 ............................................................................................................... 5.26
ELECTRONIC LEVER LABELS
MINI LEVERS ................................................................................................................................................. 1.74
ELECTRONIC THROTTLE LINKAGE
CUMMINS 4.5L DIESEL ................................................................................................................................. 4.32
ENGINE ELECTRICAL SYSTEM
CUMMINS 4.5L DIESEL ................................................................................................................................. 5.12
GM 4.3L LPG .................................................................................................................................................... 5.6
ENGINE MOUNTING
CUMMINS 4.5L DIESEL ................................................................................................................................... 2.3
GM 4.3L LPG .................................................................................................................................................... 3.2
EXHAUST SYSTEM
CUMMINS 4.5L DIESEL
⇒S/N F813B01875E ................................................................................................................................... 2.12
S/N F813B01876E⇒................................................................................................................................... 2.14
WITH CATALYTIC CONVERTER
GM 4.3L, LPG ............................................................................................................................................... 3.6
WITHOUT CATALYTIC CONVERTER
GM 4.3L, LPG ............................................................................................................................................... 3.4
F
FAN ASSEMBLY
CUMMINS 4.5L DIESEL ................................................................................................................................. 2.16
FAN DRIVE AND MOUNTING
CUMMINS 4.5L DIESEL ................................................................................................................................. 2.17
iv

GENERAL INFORMATION
DESCRIPTION PAGE NO.
F (continued)
FAN MOUNT ASSEMBLY
GM 4.3L LPG .................................................................................................................................................. 3.18
FENDERS .......................................................................................................................................................... 1.20
FLOOR PLATES AND COVERS
PENDING PER ECN 104914⇒ ...................................................................................................................... 1.15
⇒PENDING PER ECN 104914 ...................................................................................................................... 1.12
FLYWHEEL AND HOUSING
GM 4.3L LPG .................................................................................................................................................. 3.16
FLYWHEEL AND HOUSING ASSEMBLY
CUMMINS 4.5L DIESEL ................................................................................................................................. 2.38
FOOT DIRECTIONAL CONTROL ...................................................................................................................... 4.38
FORKS
CLASS III
125 MM X 50 MM, 150 MM X 50 MM STANDARD TAPER ......................................................................... 13.4
CLASS IV
150 MM X 50 MM, 150 MM X 60 MM STANDARD TAPER ......................................................................... 13.5
FORWARD CLUTCH
SINGLE SPEED TRANSMISSION
⇒S/N F813B01676E ................................................................................................................................... 8.18
S/N F813B01677E⇒................................................................................................................................... 8.30
FORWARD CLUTCH LOW
DUAL SPEED TRANSMISSION
S/N F813B01732E⇒................................................................................................................................... 8.52
FORWARD CLUTCH, HIGH
DUAL SPEED TRANSMISSION
⇒S/N F813B01731E ................................................................................................................................... 8.42
S/N F813B01732E⇒................................................................................................................................... 8.54
FORWARD CLUTCH, LOW
DUAL SPEED TRANSMISSION
⇒S/N F813B01731E ................................................................................................................................... 8.40
FREE LIFT
THREE STAGE FULL FREE-LIFT ................................................................................................................ 11.12
FREE-LIFT CYLINDER
THREE STAGE FULL FREE-LIFT ................................................................................................................ 11.20
TWO STAGE FULL FREE-LIFT .................................................................................................................... 12.14
FUEL FILTRATION SYSTEM
CUMMINS 4.5L DIESEL ................................................................................................................................. 4.24
FUEL INJECTION
CUMMINS 4.5L DIESEL ................................................................................................................................. 4.30
FUEL INJECTION PUMP
CUMMINS 4.5L DIESEL ................................................................................................................................. 4.28
FUEL SYSTEM
CUMMINS 4.5L DIESEL ................................................................................................................................. 4.26
GM 4.3L LPG .................................................................................................................................................. 4.12
FULL SUSPENSION SEAT
WITH AND WITHOUT ELECTRONIC CONTROLS ....................................................................................... 1.64
FULL SUSPENSION SWIVEL SEAT
WITH AND WITHOUT ELECTRONIC CONTROLS ....................................................................................... 1.66
v

GENERAL INFORMATION
DESCRIPTION PAGE NO.
G
GEAR PUMP ........................................................................................................................................................ 9.6
GM LPG REGULATOR DRAIN KIT .................................................................................................................. 15.17
H
HAND LEVERS
FOUR FUNCTION
WITH DETENTED LEVERS........................................................................................................................ 9.12
WITHOUT DETENTED LEVERS ................................................................................................................ 9.14
THREE FUNCTION
WITH DETENTED LEVERS.......................................................................................................................... 9.8
WITHOUT DETENTED LEVERS ................................................................................................................ 9.10
HEADER HOSE
THREE STAGE FULL FREE-LIFT ................................................................................................................ 14.16
TWO STAGE FULL FREE-LIFT .................................................................................................................... 14.12
TWO STAGE LIMITED FREE-LIFT................................................................................................................. 14.8
HEATER HOSE ARRANGEMENT
CUMMINS 4.5L DIESEL
WITH CAB ................................................................................................................................................... 1.54
GM 4.3L LPG
WITH CAB ................................................................................................................................................... 1.56
HOOD ASSEMBLY ............................................................................................................................................... 1.4
HOW TO FIND THE DESIRED PART NUMBER................................................................................................... xiv
HOW TO USE THE ILLUSTRATED PARTS MANUAL .......................................................................................... xiv
HYDRAULIC FILTER ............................................................................................................................................ 9.4
HYDRAULIC SUPPLY AND RETURN.................................................................................................................. 9.2
I
IDENTIFICATION OF ATTACHMENT AND SIDE-SHIFT CARRIAGE SERIAL NUMBERS................................. xvii
IDENTIFICATION OF MAST SERIAL NUMBER ................................................................................................... xvi
IDENTIFICATION OF TRUCK SERIAL NUMBER .................................................................................................. xv
IMPACT SENSOR .............................................................................................................................................. 5.44
INNER MAST
THREE STAGE FULL FREE-LIFT .................................................................................................................. 11.6
TWO STAGE LIMITED FREE-LIFT................................................................................................................. 10.4
INNER MAST AND FREE-LIFT
TWO STAGE FULL FREE-LIFT ...................................................................................................................... 12.6
INSTRUMENT CLUSTER .................................................................................................................................. 5.22
INTAKE AND EXHAUST MANIFOLDS
CUMMINS 4.5L DIESEL ................................................................................................................................. 2.40
INTEGRAL SIDE-SHIFT ASSEMBLY
TWO AND THREE STAGE FULL FREE-LIFT
GDP/GLP40VX5-6, 45SVX5 (1219MM AND 1524MM) ............................................................................ 14.28
GDP/GLP45VX6,50-55VX (1372MM AND 1524MM)................................................................................ 14.34
TWO STAGE LIMITED FREE-LIFT
GDP/GLP40VX5-6, 45SVX5 (1219MM AND 1524MM) ............................................................................ 14.20
GDP/GLP45VX6, 50-55VX (1372MM AND 1524MM)............................................................................... 14.24
INTEGRAL SIDE-SHIFT CARRIAGE
THREE STAGE FULL FREE-LIFT
GDP/GLP40VX5-6, 45SVX5 (1524MM) .................................................................................................... 14.32
vi
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Yale (F813) GLP40VX5, GDP40VX5, GLP40VX6, GDP40VX6, GLP45SVX5, GDP45SVX5, GLP45VX6, GDP45VX6, GLP50-55VX, GDP50-55VX Forklift Pa
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Description
Yale (F813) GLP40VX5, GDP40VX5, GLP40VX6, GDP40VX6, GLP45SVX5, GDP45SVX5, GLP45VX6, GDP45VX6, GLP50-55VX, GDP50-55VX Forklift Parts Manual is an electronic manual that provides comprehensive information for the maintenance and repair of Yale forklift models. It is a valuable resource for both professional mechanics and DIY enthusiasts.
This manual covers a wide range of topics including:
- General Truck
- Diesel Engine
- LPG Engines
- Fuel System
- Electrical System
- Steering System
- Brake System
- Transmission
- Hydraulic System
- Mast-Two Stage Limited Free-Lift
- Mast-Three Stage Full Free-Lift
- Mast-Two Stage Full Free-Lift
- Forks, Load Backrest, and Mast Installation
- Attachments and Header Hose Group
- Options
- Numerical Index
The manual is written in a detailed, step-by-step format, making it easy to understand and follow for self-repair. It is available in PDF format for easy access on all versions of Windows and Mac, and it requires Adobe Reader for viewing.