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Part of the John Deere Repair Manuals.
All 506 pages of this John Deere Skid Steer Technical Manual (OEM #TM1747) target one machine family: the 240 and 250, covering every system from engine to hydrostatic drive. Inside: full wiring diagrams tracing every circuit, hydraulic schematics with complete fluid routing for both machines, and a dedicated troubleshooting section so you stop chasing faults blind. You also get separate torque tables for metric, inch, and O-ring face seal fittings; the kind of data that turns a guessed torque into a confirmed fix. Fill the hydraulic reservoir to 15.6 L (4.1 gal) and torque engine stand M12 cap screws to 140 N•m (105 lb-ft); both numbers pulled straight from the factory spec pages. No more forum guessing on a machine that's costing you by the hour. Bookmarked by section and searchable by keyword; pull it up on any device and get straight to the spec.
What's Inside This John Deere 240, 250 Manual
| System | Pages | Key Topics |
|---|---|---|
| Specifications | 12-14 | Engine, Fuel System, Electrical System, Capacities, Hydraulics and Hydrostatics, Dimensions, 240 |
| Metric Fastener Torque Values | 15 | Property Class and Head Markings, Property Class and Nut Markings, Class 4.8, Class 8.8 or 9.8, Class 10.9, Class 12.9 |
| Metric Fastener Torque Values, Grade 7 | 16 | Steel or Gray Iron Torque, Aluminum Torque, Size |
| Inch Fastener Torque Values | 17 | Sae Grade and Head Markings, Sae Grade and Nut Markings, Grade 1, Grade 2b, Grade 5, Or 5.2, Grade 8 or 8.2 |
| O-Ring Seal Service Recommendations | 18-20 | Face Seal Fittings with Inch Stud Ends Torque, Face Seal Fittings with Metric Stud Ends Torque, O-Ring Face Seal Fittings, O-Ring Boss Fittings |
| Diesel Fuel Specifications | 21 | Lubricity, Storage |
| Engine Oil Specifications | 22-23 | 4-Cycle Diesel Engine Oil, North America, Break-In Diesel Engine Oil, Hydrostatic Transmission and Hydraulic Oil |
| Chain Case Oil Specifications | 24 | Chain Case Oil, North America |
| General Application Grease Specifications | 25-26 | Grease, North America |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Engine Repair Stand M12 Cap Screw Torque | 140 N•m (105 lb-ft) | p. 31 |
| Tube Nut/Swivel Nut Torque for Face Seal Fittings with Inch Stud Ends (Metric Tube OD 6, Dash Size -4, Thread Size 9/16-18) | 16 N•m (12 lb-ft) | p. 18 |
| Seat switch/seat belt fuse (F2) rating | 5-amp | p. 113 |
| Refrigerant Hose Operating Oil Volume | 3 mL (0.1 fl oz) oil per 30 cm (1 ft) approximate length | p. 459 |
| Hydraulic Reservoir Capacity | 15.6 L (4.1 gal) | p. 12 |
| Engine Displacement | 2.9 L | p. 12 |
| Fuel Tank Capacity | 56.7 L | p. 12 |
| Engine Oil (with Filter) Capacity | 6.5 L | p. 12 |
| Cooling System Capacity | 9.5 L | p. 12 |
| Hydrostatic Pump Displacement (Max) | 40.6 cm3 | p. 13 |
| Boom Breakout Force | 1406 kg | p. 13 |
| Skid Steer 240 Operating Weight | 2811 kg | p. 13 |
John Deere 240, 250 Common Problems This Manual Covers
Engine won't crank or start, seat switch or lap bar suspected
Verify the lap bar is fully lowered and the operator is seated with full weight on the seat. Check fuse F2 — rated 5-amp for the seat switch and seat belt circuit per page 113. Test for voltage at the key switch and trace wiring continuity through the starting circuit. The electrical troubleshooting chart covers engine-won't-crank conditions step by step, including relay and fuse checks.
Manual Section: Power and Cranking Circuit Diagnosis p. 113Engine shuts down when parking brake is engaged at idle
Confirm this is expected behavior before condemning any component. The hydraulic troubleshooting chart covers park brake engagement and its interaction with the drive system. If shutdown feels abnormal or occurs outside of intentional braking, inspect the parking brake switch for proper engagement and check for dragging brakes per the brakes diagnosis section. Verify the throttle cable is set correctly per the engine diagnosis procedures.
Manual Section: Brakes Diagnosis and TroubleshootingHydraulic hoses rubbing and wearing through from machine vibration
Inspect all hose routing for contact points against frame members, wiring harnesses, and other hoses. Reroute or add protective sleeving at any contact point. When replacing refrigerant or hydraulic hoses, add 3 mL (0.1 fl oz) of operating oil per 30 cm of hose length per the spec on page 459. Torque replacement face seal fittings to 16 N•m (12 lb-ft) per page 18. Check the full harness for chafing while you have covers off.
Manual Section: O-Ring Seal Service Recommendations p. 18Boom or bucket won't rise, lower, or respond, hydraulics completely unresponsive
Check the instrument panel warning lights first, then verify hydraulic fluid is at the correct level — reservoir holds 15.6 L (4.1 gal). Pull the hydraulics troubleshooting chart and work through boom and bucket operation checks in sequence. Verify control pedals are moving and charge pressure is not low. If movement is jerky or spongy, suspect air in the system; bleed and recheck fluid level after cycling the boom several times.
Manual Section: Hydraulics TroubleshootingEngine hard to start, stalls after starting, or runs rough with black exhaust smoke
Start with the fuel system diagnosis — it maps specific symptoms (hard start, stall, black smoke) to root causes including injector, pump, and air intake faults. Check fuel is reaching the nozzles and the fuel pump is running per the electrical chart. Verify engine oil is at the correct level with the dipstick; full capacity with filter is 6.5 L. Check the air intake for blockage and inspect the throttle cable for proper travel and cable condition.
Manual Section: Diagnosing Fuel System MalfunctionsFrequently Asked Questions
What are the torque specs for John Deere 240/250 engine bolts?
The manual provides various torque specifications for engine-related bolts. For instance, Engine Repair Stand M12 Cap Screws should be tightened to 140 N•m (105 lb-ft), and Coupling-to-Flywheel Cap Screws to 39 N•m (29 lb-ft). Front Engine Mount/Pump Mounting Plate Cap Screws and Nuts require a torque of 305 N•m (255 lb-ft). p. 31
What are the replacement specifications for Hydraulic pump seals?
The manual lists a "Hydrostatic Pump Seal Kit (Front or Rear)" as an available service part. While it specifies the kit for replacement, it does not provide detailed individual specifications (e.g., dimensions, material) for the seals themselves. General O-ring service recommendations are provided on pages 18-20. p. 281
What are the replacement specifications for Hydraulic lines/couplings?
The manual provides O-ring seal service recommendations including torque values for various hydraulic fittings. For instance, Face Seal Fittings with Inch Stud Ends require specific torque based on size, such as 16 N•m (12 lb-ft) for a 9/16-18 thread size. Similarly, Face Seal Fittings with Metric Stud Ends have torque values like 16 N•m (12 lb-ft) for a M12X1.5 thread size. p. 18
How do you fix john Deere 240 skid steer lost all boom, bucket, and travel movement after hydraulic leak?
Check the hydraulic reservoir level first — capacity is 15.6 L (4.1 gal). If low, inspect all lines and couplings for the leak source before refilling. Torque any face seal fittings to 16 N•m (12 lb-ft) per the O-ring seal service chart on page 18. Once repaired and refilled, consult the hydraulic system troubleshooting chart to verify charge pressure and confirm the shuttle valve is not stuck.
What format is this John Deere 240, 250 manual in?
Instant PDF download. You get the full 506-page searchable Technical Manual immediately after payment. Open it on your laptop, tablet, or phone right in the shop.
Can I print this John Deere 240, 250 manual?
Yes. The PDF has no DRM restrictions, so print any page or section you need for your shop. Works with any standard printer.
Are there hydraulic schematics in this John Deere 240, 250 manual?
A hydraulic system diagram for the John Deere 240, 250 is included.
