2006 New Holland LS180.B/LS185.B/LS190.B Repair Manual (837 P.)

Complete repair documentation for LS-series skid steers — hydraulic systems, engine, transmission, and chassis assemblies with factory torque specifications and service procedures.

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Technical Safety Notice
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This official OEM document is intended for professional technicians and skilled operators. Performing service on mechanical equipment involves inherent risks. By purchasing, you acknowledge that RepairLoader provides original manufacturer data for informational purposes. Always prioritize safety: use correct tools, wear protective gear, and consult a certified professional if you are uncertain of any procedure.

New Holland Models Covered & Key Technical Specifications

Models: New Holland LS180.B, LS185.B, LS190.B
Sub-models / Variants: LS180.B, LS185.B, LS190.B, LT185.B, LT190.B
Build Years: 2006
Technical Data:

  • Hydraulic system capacity: 57 L (14.8 US gal)
  • Main relief pressure: 20,498 kPa (205 bar) at 2300 rpm
  • Hydraulic pump displacement (LS180.B/LS185.B): 31.8 cc (1.94 in³)
  • Hydraulic pump displacement (LS190.B): 36.05 cc (2.20 in³)
  • Chain tank capacity (LS180.B/LS185.B): 10.1 L (10.7 US qt) per side
  • Chain tank capacity (LS190.B): 12.3 L (13 US qt) per side
  • Oil filter bypass pressure: 345 kPa (50 psi)
Technical Specifications
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Document Number / Seller:
23793 / Michelle Scott
File Size:
57.08 MB
File Type:
PDF
Language:
English
Pages:
837
Printable:
Yes
Category:
Skid Steer Loader
Last updated / verified
Mar 15, 2026

New Holland Manual Features & Content Preview

2006 New Holland LS180.B, LS185.B, and LS190.B Technical Documentation

  • Covers 2006 New Holland LS180.B, LS185.B, and LS190.B skid steer loaders, including high-flow hydraulic system and powertrain configurations
  • Official New Holland workshop publication form 604_13_552_01, published March 24, 2006
  • Contains dozens of detailed exploded-view mechanical assembly diagrams and complex hydraulic circuit schematics
  • Files link appears in your order confirmation straight away
  • OCR text layer lets you jump to a torque spec by keyword
  • Suitable for printing individual sections for shop-floor use
  • This 2006 shop manual is the primary reference for the B-series skid steer build, documenting all hydraulic power, powertrain, and assembly specifications

Technical Scope and System Documentation

This New Holland LS180.B, LS185.B, and LS190.B service manual provides deep technical insights into the primary, secondary, and high-flow hydraulic systems. The document structures content by functional system, covering detailed specs for hydrostatic pumps, control valves, and lift boom operations. Technicians will find extensive data on hydraulic circuit pressures, relief valve flow rates, and reservoir capacity requirements.

Additional chapters detail the powertrain coupling, axle configurations, and electrical power management. The documentation also includes what an OEM service publication covers regarding structural maintenance, user controls, and environmental heating and air-conditioning systems.

Specification Highlights and Data Tables

This manual includes comprehensive torque tables for decimal and metric hardware, providing specific values for grade 8.8, 10.9, and 12.9 bolts. Steel hydraulic fitting specifications document torque requirements for 37-degree flare fittings and straight threads with O-rings. Main relief pressure is documented at 20,498 kPa (205 bar) at 2300 rpm. The LS190.B hydraulic pump displacement is specified at 36.05 cc. Hydraulic system total capacity is listed at 57 L (14.8 US gal). All service data shown here is for reference only — qualified technicians and the original OEM documentation remain the authoritative source for any hands-on work.

Document Reference: New Holland Workshop Manual, Form 604_13_552_01, published March 24, 2006

Manual FAQ, Purchase & Download Details

Specify the **applicable** lubrication requirements for the hydrostatic pump. keyboard_arrow_down

52.6 litre/min (13.9 gpm) charge flow at rated engine RPM with 2482 kPa (24.8 bar) (360 psi) charge pressure ensures proper system operation and component protection.

What is the **exact** testing parameter for relief valve pressure verification? keyboard_arrow_down

35,991 kPa (5250 psi) system relief pressure setting applies to both forward and reverse hydrostatic pump circuits during operational diagnostics.

Calculate the **specific** diagnostic procedure for charge pump assessment. keyboard_arrow_down

2482 kPa (24.8 bar) minimum charge pressure at full throttle indicates proper pump and motor system health, with drops exceeding 138 kPa (1.5 bar) (20 psi) under load signaling internal leakage requiring repair.

What values are **designated** for the hydrostatic motor displacement range? keyboard_arrow_down

283 cc to 470 cc displacement variation between high-speed and low-speed ranges provides 240-400 RPM operational capability on LS180.B/LS185.B machines and 238-396 RPM on LS190.B models.

Assess the **critical** component identification specifications for the transmission relief system. keyboard_arrow_down

46 cc (2.81 in³) Sauer Sundstrand tandem axial piston pump with 1:1 engine-to-pump speed ratio requires 91-111 Nm (67-82 lb ft) bolt torque during assembly to maintain system integrity.

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