Allis Chalmers 720 Tractor Illustrated Parts Catalog Manual IPL IPC -

PARTS CATALOG ALLIS-CHALMERS model 720 -TRACTOR -IMPLEMENTS ~'-"'---------------- LITHO U.S.A. FORM 9003847 AUG.'74

ALPHABETICAL INDEX The alphabetical index is located at the front of this catalog. It is used to locate major groups, assemblies and components. NUMERICAL INDEX The numerical index is located at the end of this catalog and indicate s on which page or page s a part number appears. ILLUSTRATIONS All illustrations are located on the left hand page with the text on the right. Except for some common hardware, all parts are identified with an item number which corresponds to the "item" column on the text page. This is followed by the part number, quantity and de scription. HARDWARE Common hardware not identified such as bolts, nuts, cotter pins and lube fittings, are listed indented in the text beneath the item which they attach or fit into. Common hardware listed indented beneath an item is NOT in- cluded unless specified. Example: (Incl. BOLT, LOCKWASHER & NUT). ORDERING PARTS Be sure to refer to both the text and the illustration to assure ordering the correct part. 1 FOREWORD ADDITIONAL COPIES Each dealer receives one copy of all publications mailed at the time of printing. All orders for Parts Cat- alogs must be placed with your Region. The form number must be a part of the order as this is the only means of getting the correct Parts Catalog sent to you. The form number of this Catalog 9003847 (Aug. 74) appears on the lower right hand corner of the front cover. A ALLIS-CHALMERS BOX 512 • MILWAUKEE, WISCONSIN 53201

2 INDEX 720 TRACTOR INDEX TRACTOR AIR INTAKE & EXHAUST Cleaner, Air. • • • • • • • • • • • • • • • • • • • • • •• 15 Muffler. • • • • • . • • • • . • • • • • • • • • • • • • • • •• 15 AXLE, STEERING & WHEELS Axle Front .••••••••••• ' • • • • • • • • • • • • • •• 53 Rear (See FINAL DRIVE HOUSING in Drive Train) Steering. •. . . • • •• • • • • • • • • • • • • • •• 53 Wheels •••.•••.••••••••••••••••••• , 55 BRAKE Brake System. DRIVE BELTS & CHAINS. DRIVE TRAIN Clutch, P.T.O. Front. Rear .. Differential. Drive, Final Gear •. Housing Hydrostatic Controls Unit .• P.T.O. Front Rear Shaft, Drive Transmission •• A. ALLIS-CHALMERS 37 117 31 27 21 35 35 25 23 31 27 31 19

720 TRACTOR INDEX TRACTOR ELECTRICAL & INSTRUMENTS Alternator ••••••••••••••••••••••••••. 45 Battery 49 Ignition System 45 Points Set 45 Spark Plug 45 Ins truments 49 Lighting, Electric 49 Motor, Starting 47 Wiring • • • • • • • • • • • • • • • • • • • • • • • • • • • • 49 ENGINE Camshaft. Crankshaft Cylinder Block. Cylinder Head Flywheel •• Gear Cover Gear, Ring. Lubrication System Filter, Oil • Pump, Oil Valves Intake & Exhaus t •• A ALLIS-CHALMERS 11 11 7 7 11 13 11 13 13 7 3 INDEX

4 INDEX 720 TRACTOR TRACTOR FUEL SYSTEM Carburetor. Governor Linkage Pump, Fuel Tank, Fuel HITCH & LIFT Hitch Drawbar 3-Point INDEX Center Mounted Implements Front Mounted Lift •••••.•••.••••• HYDRAULIC SYSTEM Controls, Valve Cooler, Oil Filter, Oil ••• Lines Dual Valve Front Remote Valve Dual Hydraulic Control NUMERICAL INDEX ••••••.• SHEET METAL, FRAME & SEAT Frame ••• Seat Sheet Metal Fenders Hood 17 17 17 17 43 43 39 41 43 57 57 57 57 59 59 118 61 61 63 63 Panel, Instrument. • • • • • • • • • • • • • • • • • • • 63 Transfers 65 SERIAL NUMBER LOCATION .117 A ALLIS-CHALMERS

720 TRACTOR INDEX IMPLEMENTS BLADES 60" Grader. . • • . . . . . . • • . . . . . • . • . . . .• 87 60" Snow Plow & Dozer CAB 85 Vinyl - Hard Top. . • . . • . • . . . . • . . . . . • . .. 115 CULTIVATOR Cultivator .•• LOADER Framework Boom. Frame - Side Hydraulic Cylinder, Lift & Tilt Lines Filter .••. Lift Cylinder Pump ..•• Tilt Cylinder 91 107 107 113 111 111 III 109 Pump. • • • . . • • . • . • . • . . . • • • . •. 113 Valve 113 MOWERS 48" Rotary - Rear Mounted Frame •. Gear Box Hitch .•. Universal Wheel, Trail . • . . • . . • . . • • . . . . . .•.• , 60" Rotary - Center Mounted Arbors ..•.• Belt, P.T.O. Blades .•••. Control, Height Hitch ...• ........... •..•.••••.• Housing Rollers . 58" Sickle Bar Hitch Implement Mower Pulleys, Drive Sickle Drive NUMERICAL INDEX PLOW 81 83 43 83 81 71 71 71 67 39 69 67 39 73 73 79 77 118 Plow - 12" • SNOW THROWER . .• ....... •.•.•.••••... 89 Drive Belt .. Chain Housing Rotor Spout & Spout Drive TILLER Gear Box Hitch Housing. Tines Universal. ......................... A. ALLIS-CHALMERS 95 99 97 99 93 103 43 . 101 101 . 103 5 INDEX

6 CYLINDER HEAD 720 TRACTOR & BLOCK ENGINE 39 34 r 35 ~2 5~14 310 r36 6 7 I ? ~ 47 A ALLIS-CHALMERS

720 TRACTOR 7 ENGINE CYLINDER HEAD & BLOCK PART 1TEM NUMBER QTY. DESCRIPTION 1 2067200 1 CYLINDER BLOCK ASY. (Inc!. Items Marked *) 2 2067201 1 CAP, breather 3 2067202 1 TUBE, breather 4 2067203 1 BAFFLE 5 2067204 1 a-RING, breather tube 6 2067205 2 COVER, valve 2067250 2 SCREW, 1/4NC x 2-1/4 7 2067206 2 GASKET, valve cover 8 * 2067207 1 PLUG, expansion 9 * 2068338 5 SCREW, 5/16NC x 1 10 2067209 2 SEAL, intake valve 11 2067210 2 GASKET, cylinder head 12 2068131 1 CYLINDER HEAD, R. H. #2 cy1. 13 2068132 1 CYLINDER HEAD, L. H. #1 cy1. 14 2067213 1 SCREEN, breather tube 15 * 2067214 2 BEARING, crankshaft, Std. 2067215 2 BEARING, crankshaft, .002 U/S 2067216 2 BEARING, crankshaft, .010 U/S 2067217 2 BEARING, crankshaft, .020 U/S 2067218 2 BEARING, crankshaft, .030 U/S 16 * 2067219 2 WASHER, thrust 17 * 2067220 1 GASKET KIT, bearing plate 18 * 2067221 1 PLATE, bearing (Bearing not illustrated) 19 * 2067222 2 BEARING, camshaft (Front & Rear - Precision) 20 * 2067223 1 SEAL, bearing plate 21 * 2067224 4 PIN, main bearing stop 22 * 2067225 5 NUT 23 2067226 4 ROTATOR, valve 24 2067227 2 WASHER, copper 25 2067228 5 LOCKWASHER 26 * 2067229 1 TUBE, oil 27 2067230 2 VAL VE, intake 2067231 2 VAL VE, exhaust 28 * 2067232 2 INSERT, exhaust valve, Std. 2067233 2 INSERT, exhaust valve, .002 O/S 2067234 2 INSERT, exhaust valve, .005 O/S 2067235 2 INSERT, exhaust valve, .010 O/S 2067236 2 INSER T, exhaust valve, . 025 0/ S * 2067237 2 INSER T, intake valve, Std. 2067238 2 INSER T, intake valve, • 002 0/ S 2067239 2 INSERT, intake valve, .005 O/S 2067240 2 INSERT, intake valve, .010 O/S 2067241 2 INSER T, intake valve, • 025 0/ S 29 * 2067242 2 GUIDE, exhaust valve * 2067243 2 GUIDE, intake valve 30 2067244 4 SPRING, valve 31 2067245 1 CLAMP, breather cap 32 2067246 8 KEEPER, valve 33 2067247 4 TAPPET, valve (Standard) 2067248 4 TAPPET, valve, .005 O/S 34 921910 1 CLAMP, breather hose, 7/16 to 25/32 35 2029200 1 HOSE, breather 36 921977 8 CAPSCREW, 5/l6NC x 1-1/4 922127 10 CAPSCREW, 5/16NC x 1-3/4 37 2067251 18 WASHER 38 2067911 1 BRACKET, timing (Mounts on rear bearing plate) 1 ENGINE 921212 3 CAPSCREW, 7/16NC x 1-1/2 918430 4 WASHER, 7/16 918199 4 LOCKWASHER, 7/16 918213 4 NUT, 7/l6NC 2067308 2 SPARK PLUG 39 2067694 1 INSULATOR KIT, breather (Inc!. Item 40 & 41) 40 2067695 1 CLAMP 41 2067696 1 SCREW Continued A. ALLIS-CHALMERS

8 CYLINDER HEAD 720 TRACTOR 81 BLOCK ENGINE 39 I _ .M<"LJ 46 / ~ 47 A ALLIS-CHALMERS

ITEM 42 43 44 45 46 47 48 49 PART NUMBER QTY. 2068137 1 2068320 1 2068321 1 2068143 4 2067334 1 2068140 1 2068141 I 2068142 4 720 TRACTOR DESCRIPTION HOUSING, L. H. HOUSING, blower HOUSING, R. H. NUT, stud ENGINE PLUG, blower housing TUBE, oil filter drain GROMMET, rubber STUD 9 CYLINDER HEAD & BLOCK SHOR T BLOCKS & GASKET SETS 2068344 2067384 2067386 SHOR T BLOCK ASY., (Inc!. All Internal Components GASKET SET, complete engine GASKET SET, cylinder head - POWER LUBE 7000 SE-CD MOTOR OIL I Viscosity 1 Quart Can 5 Gallon Can 55 Gallon Can 10-W 9002840 9002841 9002842 20-20W 9002843 9002844 9002845 30 9002846 9002847 9002848 40 9002849 9002850 9002851 A ALLIS-CHALMERS

Allis Chalmers 720 Tractor Illustrated Parts Catalog Manual IPL IPC -

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