New Holland LS190.B Skid Steer Loader Full Parts Catalog (NA Series) – Full 480 Page Doc | OEM Specs

New Holland LS190.B Skid Steer Loader Parts Catalog

This professional-grade documentation ensures maximum machine uptime by providing precise component identification for the New Holland LS190.B series. Utilizing original OEM data, it eliminates guesswork during critical repairs and guarantees that every replacement part maintains the structural integrity and safety standards of the factory build. By following the exact exploded views provided, technicians can perform complex overhauls with the confidence that every shim, seal, and fastener is correctly sequenced.

Targeted Fleet & Series Compatibility

• Model: LS190.B (North American Market Configuration)
• Product Code Coverage: 09-01 Chassis through 01-14 Engine sub-assemblies
• Hardware Interchangeability: Detailed Metric and Inch hardware conversion logic for global serviceability

Operational Longevity & Cost Recovery

• Reduced Procurement Error: Visual exploded views allow for the immediate identification of superseded part numbers, preventing the purchase of incorrect components.
• Enhanced Resale Value: Maintaining a machine using exact factory-specified parts ensures long-term structural reliability and a verifiable service history.
• Minimized Maintenance Windows: Rapid access to schematic layouts allows for faster disassembly and reassembly, reducing costly shop-rate hours.

Technical Document Metadata

• Document Format: High-Resolution Searchable PDF
• Page Count: 480 Detailed Plates
• Print Reference: Dealer Nation Distribution Standard
• Navigation: Fully Indexed with Ctrl+F Search Functionality

Hydraulic Intelligence & Hydrostatic Diagnostics

The manual provides deep-tier access to the Rexroth AA22 series tandem piston pumps and high-torque drive motors. By detailing the internal orifices, relief valve settings, and pilot control logic, it enables the diagnosis of drift or power loss at the source rather than through expensive component swapping.

Schematic Precision & Digital Fidelity

Each technical plate is rendered with high-contrast vector clarity, allowing for extreme zoom levels on complex assemblies like the main control valve or the engine wire harness. This granularity is essential for identifying small O-rings, snap rings, and shims that are often blurred in lower-quality scanned alternatives.

Structured Technical Table of Contents

• General Information: Identification tags, metric conversion charts, and hardware abbreviations.
• Engine Powerplant: 4-Cylinder Turbocharged Diesel block, fuel injection, and cooling circuits.
• Fuel & Air Systems: Tank assemblies, filtration logic, and induction manifolds.
• Electrical Infrastructure: Main harness, alternator (95A), and advanced instrument cluster.
• Hydrostatic Drive: Tandem pumps, two-speed motors, and final drive gear reduction.
• Hydraulic Framework: High-flow gear pumps, 3-spool control valves, and lift/tilt cylinders.
• Chassis & Operator Station: Main frame, ROPS cab, suspension seating, and seat belt safety.

Maintenance Benchmarks & Longevity Matrix

FAQ

Question Does this manual provide specific coverage for the LS190.B model variants and regional hardware configurations?

Answer Yes, this catalog is specifically designed for the New Holland LS190.B North American (NA) series and includes specialized sections for various wheel and chassis setups. It features a dedicated hardware conversion guide for switching between Metric and Inch dimensions, such as converting a 1/2" screw to a 12mm equivalent. This detailed mapping ensures that structural components are mounted with zero tolerance errors, maintaining the machine's original center of gravity and frame stability.

Question What vital pressure benchmarks are provided for the auxiliary hydraulic and boom systems?

Answer The documentation specifies critical relief settings including the 3250 PSI high-flow threshold and the 110 PSI boom float kit valuation. Accessing these exact values allows technicians to calibrate the secondary front and rear auxiliary hydraulics (Parts 87375165 and 87375166) to factory specs. Correct pressure calibration is essential to prevent seal blowout in the lift cylinders and to ensure that attachments operate with maximum breakout force without overstressing the tandem piston pumps.

Question Can I use this data to troubleshoot the Rexroth hydrostatic drive and pilot control logic?

Answer This manual provides deep-tier technical identifiers for the Rexroth AA22 series tandem pumps and the associated pilot control harnesses, such as the 87527114 assembly. By utilizing the specific port locations and cartridge valve identifiers found in the hydrostatic schematics, users can diagnose drive-system "creep" or power loss. This technical depth allows for the targeted replacement of individual charge relief valves (Ref 87039611) instead of replacing the entire pump assembly, saving thousands in unnecessary component costs.

Question Does the manual include the necessary specifications for engine-side maintenance and cold-start systems?

Answer Detailed technical breakdowns are provided for the 4-cylinder turbocharged diesel engine, including the 120V/750W engine block heater and the 95A high-output alternator. It lists specific part sequences for the Bosch-style injection pump (Ref 2853056) and the 12V grid heater solenoid. Having these precise electrical and fuel values ensures that the engine maintains its compression ratio and cold-start reliability in sub-zero environments, effectively preventing premature battery drain and starter motor fatigue.

Question How does the digital format enhance the utility of the exploded views and wiring schematics?

Answer The high-resolution digital plates enable a 400% zoom capability without pixelation, which is crucial for identifying small internal components like the 1.5mm shim washers or the pin-out locations on the advanced instrument cluster (Part 87459690). This level of visual detail ensures that even the most complex wiring diagrams and hydraulic routing paths are legible on the shop floor, allowing for the precise assembly of multi-stage valves and preventing "crossed-line" errors that could lead to catastrophic system failure.