New Holland LS140 / LS150 Skid Steer Loader Service Manual
Wiring diagrams, specifications, and repair sequences for engine, hydraulic systems, transmission, and final drive components with diagnostic flowcharts. Covers N843 and N843H diesel engines.
New Holland Models Covered & Key Technical Specifications
Models: New Holland LS140, New Holland LS150
Sub-models / Variants: Skid Steer Loader
Model Years: 1990s–2000s
Technical Data:
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Engine model: N843 (LS140), N843H (LS150)
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Engine displacement: 1496 cc (91.3 cu. in.)
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Engine type: 3-cylinder, 4-stroke, liquid-cooled, compression ignition (IDI)
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Gross horsepower: 33 HP @ 2900 RPM (LS140), 38 HP @ 3200 RPM (LS150)
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SAE net horsepower: 30 HP @ 2900 RPM (LS140), 36 HP @ 3200 RPM (LS150)
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Hydraulic system flow: 40.1 LPM (10.6 GPM) @ 2900 RPM (LS140), 44.3 LPM (11.7 GPM) @ 3200 RPM (LS150)
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Main hydraulic system relief pressure: 170–176 bar (2500–2600 PSI)
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Cylinder head bolt torque: 98–103 N·m (72–76 ft. lbs.) (oiled)
New Holland Manual Features & Content Preview
Need reliable specs for your New Holland loader? This 546-page OEM publication covers the LS140 and LS150 skid steers (1990s–2000s models). Instead of waiting for a physical book, grab the instant download and get right to work. It delivers the exact factory data required for unit overhauls, routine maintenance, and complex troubleshooting on the N843 and N843H engines.
Working on pressurized hydraulic systems or heavy boom assemblies carries inherent risks. Always verify your setup against these exact factory tolerances and ensure you have the necessary mechanical experience before starting a teardown.
Inside the Manual
- Instant download access: Get the fully indexed, searchable PDF immediately. It is securely stored in your account so you never lose it, even after a hard drive failure.
- Engine & drivetrain specs: Complete breakdown of the N843/N843H engines, including cylinder block, crankshaft, and gear train tolerances.
- Crucial torque values: Precise hardware data, like the cylinder head bolt torque (98–103 N·m / 72–76 ft. lbs.).
- Hydraulic system baselines: Details the main relief valve settings (170–176 bar) and specific flow capacities (40.1 LPM at 2900 RPM for the LS140, 44.3 LPM at 3200 RPM for the LS150).
- Operational cycles: Verified performance rates, including the 3.5-second (LS140) and 3.3-second (LS150) boom raise times.
- Fluid capacities: Covers all vital system fluids, such as the 9.2-liter (9.8-quart) coolant capacity.
- Component handling: Factory procedures for cab and boom tilting, hydrostatic component overhauls, and safe craning methods.
To better understand how factory workshop documentation is structured, check out what an OEM service publication covers.
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