New Holland LS120 LS125 Service Manual 562 Pages Factory Grade
Hydrostatic transmission, dual-cylinder engine service with fuel injection specifications, field-replaceable piston pumps, motor assemblies. Complete repair procedures covering P218 gasoline and E673 diesel engines — diagnostics, maintenance torque tables, wiring schematics.
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Sample pages from the New Holland LS120 LS125 Service Manual 562 Pages Factory Grade manual
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Models Covered & Key Technical Specifications
New Holland LS120 / LS125 Skid Steer Loader — 2000s Professional Specification Registry | LS120/LS125 Compact Record.
- Calibrated Displacement Data: 782 cm³ (47.7 cu in) LS120 is designed for two-cylinder gasoline engine Architecture.
- Nominal Maximum Resolution: For optimal power delivery, 18 hp at 3600 RPM is measured at LS120 peak crankshaft output Standards.
- Twist Specifications: The primary torque requirement controls 1600–1700 PSI (110–117 bar) main system pressure Bounds.
- Documented Operating Capacity: The hydraulic system requires 34.1 liters (9 US gallons) chain case reservoir specifications Topology.
- Principal Displacement Metric: LS125 diesel engine delivers 675 cm³ (41.2 cu in) rated at 16.5 hp @3600 RPM Matrix.
- Key Operational Temps: Maximum hydraulic fluid temperature reaches 107°C (225°F) for continuous duty Parameters.
Professional Workshop Service Manual & Technical Specifications
Consolidated Reference Factory Manual: Skid Steer Loader Comprehensive Service Manual for New Holland LS120 LS125 Skid Steer – 562 P. Manual | Factory Grade Resource-Library
Service-Level: LS120/LS125 series // Model-Portfolio: Compact-duty Construction / Hydrostatic Transmission Logic // Operational-Scope: Multi-system engine and drive documentation.
| Identifier | Baseline | Calibration-Data |
|---|---|---|
| Engine Systems | LS120: Onan P218 (18 HP); LS125: New Holland E673 (16.5 HP) | Complete specifications provided |
| Transmission Type | Dual variable displacement hydrostatic piston pumps | Charge pressure range documented |
| Operating Weight | LS120: 1,980 lbs; LS125: 2,110 lbs | See Chapter Specifications |
| Hydraulic Capacity | 34.1 liters (9 US gallons) | Documented system parameters |
The documentation provides guidance on engine assembly and operation, transmission systems and hydrostatic drive principles, hydraulic system architecture and troubleshooting, and brake and control interface calibration. Coverage encompasses fuel system management and injection pump configuration, electrical wiring and component integration, chassis and suspension geometry, and final drive chain mechanism documentation.
Transmission service information covers pump displacement data and motor installation details, charge pressure specifications and case drain flow characteristics, neutral adjustment procedures and steering linkage configuration, and control lever responsiveness testing. Hydraulic system procedures are included for control valve operation and gear pump assembly specifications, cylinder function and attachment interface compatibility, relief valve pressure settings and auxiliary control configuration, and pressure testing methodology. Torque specifications are documented for the hydraulic manifold to ensure proper component interface, with complete fastener charts provided for both metric and English hardware grades.
Parts identification is covered for engine block casting numbers and serial location data, crankshaft configuration and main bearing specifications, piston ring groove dimensions and connecting rod assembly details, fuel injector nozzle parameters and injection timing reference, alternator output characteristics and starter motor engagement protocols, hydraulic pump case mounting and motor housing bolt requirements, chain case assembly and drive sprocket tooth count, and tire pressure inflation schedule by model designation.
Removal procedures are documented for engine extraction from frame assembly, pump and motor disassembly sequence, cylinder rod removal and bearing access methodology, control valve spool configuration and seal replacement, final drive chain slack adjustment and idler arm positioning, and radiator/cooling system component separation. Engine reassembly guidance includes bearing installation depth and crankshaft endplay verification, piston ring gap measurement and compression ring positioning, timing gear synchronization and camshaft lobe clearance, cylinder head bolt torque sequence and valve lash adjustment technique, flywheel balancing specifications and starter pinion engagement clearance.
This manual documents torque specifications for the engine mounting interface to ensure proper load distribution, with both metric and imperial measurement standards referenced throughout system sections.
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