New Holland L565, LX565, LX665 Skid Steer Loader 2015 Service Manual (P/N 34696736)

• Covers the 2015 New Holland L565, LX565, and LX665 skid steer loaders equipped with the N844 and N844T diesel engines
• Official New Holland publication (P/N 34696736), encompassing 827 pages across 8 major sections
• Delivers factory-verified assembly clearances, tight torque settings, and exploded component diagrams
• Captures the latest late-model engine and drivetrain specification revisions for this specific lineup
• Details critical service procedures for the final drive, gearboxes, drive axles, parking brake, ROPS frame, boom cylinders, bucket cylinders, and attachment mounting plates
• Covers comprehensive maintenance for the Electronic Instrument Cluster, hydrostatic pumps, hydrostatic motors, hydraulic gear pump, control valves, turbocharger, fuel injection pump, and cab heater

Engine and Component Data

Heavy equipment maintenance involves significant physical forces and high-pressure systems. Before starting any tear-down, ensure your workspace is secure and strictly adhere to the manufacturer safety protocols outlined in the factory documentation.

If you are rebuilding the N844 or N844T diesel, this PDF service manual provides the exact factory metrics. The documentation details complete dismantling and assembly procedures, including comprehensive tables on crankshaft clearances and the confirmed 22:1 compression ratio. Critical fastener torque values are clearly laid out in the hardware torque specifications chart. Cylinder head bolts must be torqued to 98–103 N·m (72–76 ft. lbs.), while connecting rods require 49–54 N·m (36–40 ft. lbs.). It defines the precise bounds for piston ring end gaps at 0.20–0.40 mm (0.008–0.016 in.) to establish proper compression ring seating. Intake valve clearance is specified at 0.2 mm (0.008 in.). Need to check the thermal regulation? The manual notes the engine coolant thermostat opening range strictly at 82–95°C (180–203°F).

Hydraulic and System Overviews

Beyond the engine block, the manual dives deep into hydrostatic transmission maintenance, hydraulic tube routing, and safe cab tilting procedures. Electrical diagnostics get straightforward with comprehensive wiring diagrams, including a starting system electrical diagram, a fuel system electrical diagram, and a warning light (four-way) wiring diagram mapping out the alternator and engine fuse block layouts. You will find complete reference values for both standard and high-flow hydraulics, explicitly listing output ratings like the 27.7 GPM required for the high-flow LX665, mapped out in the hydrostatic system oil flow diagram. The manual also defines the maximum engine speed at 3070–3180 RPM under full throttle idle conditions to ensure proper power delivery. Total fuel tank capacity is calibrated to 52.9 L (14 gal.).

Advanced Overhauls and Shop Benefits

Instead of outsourcing heavy tasks to an expensive dealer shop, technicians can follow step-by-step instructions for complex routines like the fuel injection pump spill-timing procedure, turbocharger bearing clearance checks, and the precise hydrostatic motor shimming procedure. Having these exact factory clearances and visual aids—such as the bucket and tire combination chart—directly at the workbench streamlines the daily workflow. This level of technical depth allows you to execute any major drivetrain or engine repair independently, verifying each component against the manufacturer's standard for a lasting, reliable repair.