Part of the New Holland Repair Manuals.
Servicing the New Holland LM 410 or LM 640 telehandler requires exact factory specifications. This 622-page PDF covers the entire machine, detailing the engine, fuel system, powershift transmission, rear axle, steering, cab climate control, and hydraulics. Mechanics will find wiring diagrams and hydraulic schematics tracing every loader boom circuit. The text details overhaul procedures, torque specifications, troubleshooting charts, and clearance tables for major components like the 4X4 compact shuttle and front axle. For example, a healthy hydraulic pump flows 81 L/min at 2,200 RPM at 240 bar (3,478 PSI). When output drops to 71 L/min, the required rebuild sequence is laid out step-by-step. Stop guessing on fitting torques. The file is fully bookmarked and searchable to help you locate repair instructions instantly.
What's Inside This New Holland LM 410 & variants Repair Manual
| System | Pages | Key Topics |
|---|---|---|
| Electrical System | 149-254 | Chapter 1 -- Electrical System General |
| Transmission | 255-400 | Chapter 1 -- 4X4 Compact Shuttle, Chapter 2 - Powershift Operating Lever, Chapter 3 - Overhaul |
| Rear Axle | 401-429 | Chapter 1 -- Rear Axle, Chapter 2 -- Brake Overhaul |
| Steering and Front Axle | 430-467 | Chapter 1 -- Steering, Chapter 2 -- Front Axle |
| Cab | 468-542 | Chapter 1 - Overhaul, Chapter 2 - Frame, Chassis and Attachments, Chapter 3 - Cab Heating, Chapter 4 - Air Conditioning |
| Hydraulic Systems | 543-622 | Chapter 1 - Hydraulic Circuit, Chapter 2 - Loader Boom |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Hydraulic Valve Piping M27 x 150 Pipe Fittings torque | 150 N·m (110 ft. lb.) | p. 547 |
| Hydraulic Valve Piping M22 x 150 Pipe Fittings torque | 100 N·m (74 ft. lb.) | p. 547 |
| Hydraulic Pump Output New Pump | 81 Liters/min (21.4 gpm) @ 2200 rev/min @ 240 bar (3478 PSI) | p. 544 |
| Hydraulic Pump Output Worn Pump | 71 Liters/min (18.8 gpm) @ 2200 rev/min @ 240 bar (3478 PSI) | p. 544 |
| Hydraulic Oil Filter Change interval | 300 Hours | p. 544 |
| Spin on oil filter replacement instruction | Replace the spin on filter with a new one and hand tighten the filter plus 3/4 of a turn or as instructed on the filter body | p. 306 |
| Hydraulic seals replacement instruction (general) | Renew all seals using hydraulic fluid as lubricant | p. 591 |
| Steering cylinder seals replacement instruction | Place new seals in warm water for 5 minutes for easy fitment and after fitment allow the seals to cool and shrink to fit. Lubricate all the new seals and reassemble the steering cylinder in reverse sequence to disassembly. | p. 457 |
| Main Relief Valve pressure setting | 260 bar (3768 PSI) | p. 545 |
| Lift Cylinder Relief Valve (Piston End) pressure setting | 270 bar (3913 PSI) | p. 545 |
| Fault Finding: Boom will not lift load - Possible Cause | Load to heavy | p. 578 |
| Fault Finding: Boom will not lift load - Remedy | Lighten load | p. 578 |
New Holland LM 410 & variants Common Problems This Manual Covers
New Holland LM 410 hydraulic system operates briefly then loses power, boom stops responding p. 578
Check hydraulic oil level immediately; total system capacity is 125 liters (page 544). Confirm filters are not overdue — they require replacement every 300 hours. If oil and filters check out, inspect all hoses and connections for leaks or air ingress. Follow the fault-finding sequence on page 578 to isolate whether the issue is pump, valve, or circuit.
Manual Section: Section 7 - Hydraulic SystemsBoom won't lift rated load, cylinders drop slowly under load at extended reach p. 578
Pressure-test the hydraulic circuit using the fault-finding chart on page 578. Cylinders that drift under load point to worn piston seals or sticking counterbalance valves. Pull the cylinder and renew all seals, lubricating with hydraulic fluid during assembly (page 591). Verify relief valve pressures match your model's specifications on pages 545 and 546.
Manual Section: Section 7 - Hydraulic SystemsBoom and telescoping movements become sluggish, pump whines at full throttle under load p. 579
Flow-test the pump at 2200 RPM against 240 bar system pressure; output below 71.25 L/min (18.8 gpm) means replacement is required (page 579). If flow is borderline, pull the pump and inspect internals: worn PTFE bearings, scored gear faces, or damaged bronze balancer plates all confirm the pump must be renewed (page 591).
Manual Section: Section 7 - Hydraulic SystemsEngine cranks slowly or won't start, condition worsens in cold morning temperatures p. 48
Check battery condition first; standard capacity is 105 Ah at 12V with 505 A cold-crank rating (page 149). Clean and tighten both terminals. If cranking speed is adequate but the engine still won't fire, work through the troubleshooting procedures, confirming fuel supply, air filter condition, and injection timing are all within spec.
Manual Section: Engine TroubleshootingTransmission shifts hard, slips between ranges, or oil temperature warning appears during work p. 255
Check transmission oil level and condition. For Compact Shuttle models, capacity is 10.5 liters (page 255); Powershift models hold 8.5 liters (page 319). Low or contaminated oil is the most common trigger for high temperature and erratic shifting. Run the stall test and pressure checks per the fault-finding procedures beginning on page 255 to identify worn clutch packs or pump pressure loss.
Manual Section: Section 3 -- TransmissionFrequently Asked Questions
Can I adjust the power steering pressure on a New Holland LM410 telehandler?
Yes, the power steering pressure relief valve can be adjusted. The nominal setting for the steering pressure relief valve is 140 bar (2030 PSI). The manual states to adjust the relief valve as required during pressure testing.
Why won’t the boom lift properly on a New Holland LM410 when heavily loaded?
If the boom will not lift load, possible causes include the load being too heavy or the pressure relief valves being set incorrectly. The remedy is to lighten the load or pressure test the hydraulic system to adjust the relief valves.
What causes vibration when the LM410 boom struggles to lift?
Vibration when the boom struggles to lift can be caused by noisy counterbalance valves, which may indicate air in the system. To remedy this, operate the hydraulic circuit to purge air from the system.
Why won’t my New Holland LM 430 telehandler start or steer properly?
If the LM 430 telehandler won't start, common causes include a partially discharged battery, corroded battery connections, incorrect injection pump timing, or a faulty starter motor. If it won't steer properly, the steering circuit might not be charged; turn the steering wheel from lock to lock to charge the system.
Is this New Holland LM 410 & variants Repair Manual a digital download?
Immediate download of the complete 622-page searchable Repair Manual. Access it on any device — laptop at your desk or phone in the field.
Is this New Holland LM 410 & variants Repair Manual printable?
Yes, print as many copies as you want — there are no restrictions. Many mechanics print the section they need and bring it to the shop floor.
Are electrical wiring diagrams included in this New Holland LM 410 & variants?
Included. The New Holland LM 410 & variants Repair Manual covers complete wiring harness diagrams, electrical circuits, and connector pinouts.
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