A 275 hydraulic clutch that slips under load, or a 235H hydrostatic that creeps in neutral, gets settled by one book: this Case International 275 shop manual PDF covers all six tractors in the 235 through 275 family across 128 pages. Wiring diagrams trace the charging circuit and safety switches, and hydraulic schematics follow the lift system from pump through auxiliary valve to the three-point hitch. Overhaul procedures take up most of the book: five distinct transmission designs, front wheel drive, PTO, brakes, differential, and both manual and power steering. Check regulating voltage against the 14.5 to 15.1 volt spec before you condemn the alternator, and set solenoid plunger to rack clearance at 0.2 mm (0.008 in.). Splitting a tractor on a hunch burns a dry weekend. Bookmarks and a working text layer put the transmission chapter for your exact model one click away, so the diagnosis starts before the rain does.
What's Inside This Case International 235–275 Manual
| System | Pages | Key Topics |
|---|---|---|
| Front Axle System (Two-Wheel Drive) | 6-14 | Axle Main Member, Spindles and Bushings, Steering Bellcrank, Tie Rod and Toe-In, Tires, Wheels and Bearings, Tread Adjustment and Drag Link, Non-Adjustable Axle |
| Front-Wheel-Drive System | 15-32 | Axle and Steering Linkage, Differential Bevel Pinion, Front Drive Spindles and Inner Axles, Front Final Drives and Wheel Axles, Front Wheel Drive, Maintenance |
| Manual Steering System | 33-35 | Steering Gear Assembly, Steering Shaft, Ball Nut Assembly, Sector Shaft, Pitman Arm, Steering Column |
| Power Steering System | 36-40 | Power Steering Gear, Control Valve, Relief Valve, Steering Shaft, Worm Shaft, Ball Nut Assembly |
| Engine | 41-49 | Cam Followers, Camshaft, Connecting Rods and Bearings, Crankshaft and Main Bearings, Crankshaft Seals, Cylinder Head, Flywheel, Maintenance |
| Diesel Fuel System | 50-55 | Fuel Filter and Lines, Fuel Shut-Off Solenoid, Glow Plugs, Governor and Injection Pump Camshaft, Injection Pump, Injector Nozzles |
| Cooling System | 56-62 | Belt, Radiator, Thermostat, Water Pump |
| Clutch | 63-68 | Clutch Linkage (All Models Without Live PTO, Models with Live PTO), Clutch Split, Cover, Pressure Plate and Disc |
| Transmission (235 Sliding Gear) | 69-73 | Inspection, Lubrication, Overhaul, Remove and Reinstall |
| Transmission (245, 255 and 265 Constant Mesh) | 74-77 | Inspection, Lubrication, Overhaul, Remove and Reinstall |
| Transmission (245, 255 and 265 Synchromesh) | 78-85 | Inspection, Lubrication, Overhaul, Range Transmission, Remove and Reinstall |
| Transmission (275 Model) | 86-97 | Hydraulic Clutch, Inspection, Lubrication, Overhaul, Remove and Reinstall |
| Transmission (235H Hydrostatic) | 98-103 | Hydrostatic Unit, Lubrication, Overhaul, Range Transmission, Tests and Adjustments, Troubleshooting |
| Differential | 104-106 | Differential Assembly, Ring Gear, Pinion Shaft, Carrier Bearings, Differential Case, Side Gears |
| Final Drive | 107-110 | Final Drive Housing, Axle Shaft, Bull Gear, Reduction Shaft, Brake Assembly, Pinion Shaft |
| Brakes | 111-113 | Adjustment, Operation, R&R and Overhaul |
| Power Take-Off | 114-116 | PTO Rear Drive Shaft, PTO Output Shaft, PTO Front Drive Shaft, PTO Hydraulic Clutch, PTO Gears, PTO Housing |
| Hydraulic Lift System | 117-128 | Auxiliary Valve, Fluid and Filters, Hydraulic Pump, Lift Cover, Troubleshooting, Tests and Adjustments |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| 12M screws torque | 83-93 N.m (61-69 ft.-lbs.) | p. 18 |
| Regulating voltage | 14.5-15.1 V | p. 60 |
| Standard slip ring diameter | 33 mm (1.299 in.) | p. 57 |
| No load current draw | 100 amperes | p. 57 |
| Minimum no load speed | 3000 rpm | p. 57 |
| Solenoid plunger to rack clearance | 0.2 mm (0.008 in.) | p. 59 |
| Oil filter tightening torque | 11-13 N.m (96-113 in.-lbs.) | p. 50 |
| 235, 235H | ||
| Front Wheel Lug Bolt Torque (235, 235H) | 118-132 N·m | p. 13 |
| 245, 255, 265, 275 | ||
| Front Wheel Lug Bolt Torque (All except 235, 235H) | 83-93 N·m | p. 13 |
Case International 235–275 Common Problems This Manual Covers
Case IH 235 diesel won't start in cold weather, starter drags or just clicks
Test the battery under load before condemning the starter. Bench test the motor per the procedure on page 57: at 11.5 volts with no load, current draw should stay under 100 amperes with speed at least 3000 rpm. If it fails that, measure the brushes; standard length is 17 mm (0.67 in.), replace at 11.5 mm (0.45 in.).
Manual Section: Starting Motor Troubleshooting p. 57Battery goes dead after sitting a few days, tractor shuts off or won't crank
Check charging voltage at the battery with the engine running; the regulator should hold 14.5 to 15.1 volts. If it reads low, run the diode and circuit tests on page 57 and measure the slip rings: 33 mm (1.299 in.) standard, 32 mm (1.259 in.) wear limit. Then check for a key-off draw from any add-on radio or monitor.
Manual Section: Alternator and Regulator Troubleshooting p. 57Engine hard to start, runs rough at full throttle, loses power under load
Replace both fuel filters and bleed all air from the filter housing and injection pump lines, working through the fuel system section that starts on page 50. Check the fuel shut-off solenoid adjustment; back it out until there is about 0.2 mm (0.008 in.) clearance between the plunger and the injection pump rack. Inspect the air filter before condemning the pump.
Manual Section: Diesel Fuel System p. 50Front wheel drive steering feels loose, clunks over rough ground, front end wanders
Jack up the front end and check for play in the kingpins, tie rod ends, and steering linkage. Inspect the close fitting piloted screws holding the steering arm to the axle housing; retorque them to 83-93 N.m (61-69 ft.-lbs.) as shown on page 18. Check toe-in while the wheels are off the ground, then road test before heading back to the field.
Manual Section: Front-Wheel-Drive System p. 18Frequently Asked Questions
What are the torque specifications for the cylinder head bolts on a Case IH 265 tractor?
For the Case IH 265 model, the 12M screws at locations 1, 2, and 3 should be tightened to a final torque of 98-108 N.m (73-79 ft.-lbs.), and the remaining 14M screws should be tightened to a final torque of 147-167 N.m (109-123 ft.-lbs.). p. 42
What are the battery specifications for the Case International 235–275 tractors?
All models covered in this manual use a 12-volt battery with a negative ground system. p. 4
What is the correct valve clearance for the Case International 235–275 engine?
The valve clearance for all models should be adjusted with the engine cold to 0.25 mm (0.010 in.) for both the inlet and exhaust valves. p. 43
What is the engine oil capacity for a Case IH 265 tractor?
The engine crankcase capacity, including the filter, is 4.7 L (5.0 qt.) for the 265 and 275 models. p. 41
How often should the engine oil be changed?
The engine oil should be drained and refilled with new oil after every 100 hours of normal operation. p. 41
What exactly do I receive with this Case International 235 Shop Manual?
All 128 pages arrive as one searchable PDF at checkout. Read it at the desk, then take the phone out to the machine.
Can I print a copy of this Case International 235 Shop Manual for the shop?
You can. The PDF is unlocked and carries no copy protection, so print the sections you want and keep the file as your backup.
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