Part of the Case Repair Manuals.
Looking for an International Harvester 274, 284 shop manual PDF you can actually trust? This 56-page factory shop manual covers both compact tractors, gas and diesel, front to back. Inside: exploded views of the final drive and steering gear, wiring diagrams for the alternator, starter, and lighting circuits, and hydraulic schematics with relief pressure test procedures. You also get full engine teardown steps, from cylinder head and valve timing down to crankshaft main bearings, plus clutch, transmission, differential, PTO, and brakes. Set injector opening pressure at 9812 kPa (1422 psi) and torque the nozzle holder to 68-88 N·m before it goes back in the head. No more chasing wiring faults with a multimeter and a prayer. Bookmarked with a real text layer: search any spec, jump to any section, pull it up on your phone in the shop.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Cover Page | 1 | |
| Index | 2-3 | |
| Service Data | 4 | Engine, Alternator, Starter, Ignition Distributor, Injection Pump, Crankshaft, Camshaft, Transmission |
| Front System | 5-10 | Axle Main Member, Tie Rods, Steering Knuckles, Hub, Drop Housing Assembly, Differential, Axle Pivot Housings |
| Manual Steering System | 11 | Drive Housing Assembly, Worm Shaft, Ball Nut, Sector Shaft, Pitman Arm, Steering Gear |
| Power Steering System | 12-16 | Steering Gear Box, Hydraulic Pump, Flow Divider, Steering Relief Valve, Pitman Arm, Worm Shaft, Ball Nut |
| Engine | 17-30 | Flow Divider, Cylinder Head, Valves and Seats, Valve Tappets, Timing Chain and Sprockets, Piston and Rod Units, Crankshaft and Main Bearings, Oil Pump |
| Carburetor | 31 | Oil Pump, Oil Pan, Main Jet, Idle Needle, Power Jet, Float Valve |
| Diesel Fuel System | 32-33 | Fuel Pump, Fuel Filter, Injection Pump, Injector Nozzles, Automatic Timer Assembly, Fuel Strainer |
| Air Filter System | 34 | Injection Nozzle, Glow Plugs, Air Cleaner Assembly, Injector Line, Nozzle Holder |
| Governor | 35 | Governor Unit, Governor Shaft, Flyweights, Idler Pulley, Throttle Control Rod, Carburetor |
| Cooling System | 36-37 | Radiator, Fan, Water Pump, Belts, Alternator, Thermostat |
| Electrical System | 38 | Thermostat, Alternator, Regulator, Starting Motors |
| Wiring Diagrams | 39 | Distributor, Starting Motor, Ignition Coil, Alternator, Lighting Switch, Battery, Wiring Diagram |
| Clutch, Engine | 40 | Clutch, Starting Safety Switch, Hydraulic Pump, Injection Pump, Steering Drag Link, Flywheel |
| Transmission | 41-45 | Clutch Shaft, Release Bearing, Transmission Input Shaft, Output Shaft, Idler Shaft, Mainshaft, Countershaft |
| Differential | 46-47 | Main Drive Bevel Gears, Differential Assembly, Differential Lock, Pinion Shaft, Ring Gear, Carrier Bearings |
| Final Drive | 48-49 | Axle Housing, Planetary Gear Assembly, Drop Housing, Rear Axle Housing, Pinion Shaft |
| Brakes | 50 | Axle Shaft, Spur Gear, Brake Piston, Brake Disc, Master Cylinder, Brake Pedal |
| PTO | 51-52 | Brake Cylinders, Parking Brake, Power Take-Off, PTO Gears, PTO Shafts, Shift Linkage, Input Shaft, Output Shaft |
| Hydraulic System | 53-56 | Hydraulic Lift System, Control Valve, Hydraulic Lift Housing, Hydraulic Pump, Auxiliary Valve, Cultivator Lift Cylinder |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Nozzle holder torque | 68-88 N·m | p. 34 |
| Nozzle retaining nut torque | 61-75 N·m | p. 34 |
| Automatic timer assembly mounting nut torque | 58-68 N·m | p. 33 |
| Feed pump operating pressure | 177 kPa (25.6 psi) | p. 33 |
| Governor shaft coupling nut torque | 24-30 N·m | p. 35 |
| Governor shaft end play | 0.1-0.3 mm | p. 35 |
| Fan belt deflection | 10 mm | p. 36 |
| Hydraulic pump drive shaft connecting bolts torque | 11-23 N·m | p. 36 |
| Valve Tappet Gap (Hot) (274 Diesel) | 0.3-0.4 mm | p. 4 |
