Cat GP40K Specifications
The Cat GP40K is a heavy-duty Class V internal
combustion pneumatic tire forklift built for demanding outdoor applications
requiring 4,000 kg lifting capacity. Powered by a Nissan TB45 engine, it
provides reliable torque and power for handling heavy loads across rough terrain
and improved surfaces. Operators benefit from a well-designed compartment with
intuitive controls, good all-around visibility, and a comfortable seat that
reduces fatigue during long shifts. The robust construction, durable powertrain,
and serviceable components contribute to its reputation as a dependable
workhorse in challenging environments.
Engine Manufacturer: Nissan
Engine Model: TB45
Power Type: LPG
Rated Output to ISO 1585: 72 kW
Rated Speed to DIN 70 020: 2,450 rpm
Number of Cylinders: 6
Displacement: 4,500 cc
Displacement: 4.5 L
Lubrication System Type: Forced circulation with gear pump
Oil Pump Type: Gear
Oil Filter: Full-flow cartridge type
Cooling System Type: Liquid-cooled, pressurized with centrifugal pump
Cooling Method: Forced circulation with thermostat
Radiator Type: Corrugated fin, tube type with pressurized cap
Water Pump Type: Centrifugal, belt-driven
Transmission
Transmission Type: Powershift
Transmission Gears Forward / Reverse: 1 / 1
Transmission Control: Single lever with inching control
Torque Converter Type: Single-stage, single-phase
Travel Speed
Travel Speed with Load: 18 km/h
Travel Speed without Load: 19.5 km/h
Axles
Drive Axle (Front): Full-floating, banjo type
Differential Type: Bevel gear with straight spline
Steer Axle (Rear): Pivot-type with articulated mount
Brakes
Service Brake Actuation: Foot-operated, hydraulic
Service Brake Type: Hydraulic
Parking Brake Actuation: Hand-operated, mechanical
Parking Brake Type: Mechanical linkage to service brakes
System Voltage: 12V
Ignition System: Electronic
Battery: Heavy-duty commercial type
Alternator: High-output
Tire Type: Pneumatic
Wheel Drive: 2x driven (front)
Number of Wheels: 2 front / 2 rear
Tyre Dimensions Front: 8.25x15-14 PR
Tyre Dimensions Rear: 7.00x12-14 PR
Steering Type: Hydraulic power steering
Steering Control: Steering wheel with hydrostatic unit
Steering Pump Type: Gear pump, engine-driven
Steering Cylinder Type: Double-acting piston type
Hydraulic Pump Type: Gear pump, engine-driven
Hydraulic System Relief Pressure: 191 bar
Maximum Operating Pressure for Attachments: 191 bar
Hydraulic Control Valve: Monoblock type
Mast Type (standard): Two-stage simplex
Mast Construction: Rolled channel sections with welded stops
Lift Cylinders: Two, double-acting piston type
Tilt Cylinders: Two, double-acting piston type
Lift Height: 3,300 mm
Free Lift: 100 mm
Height with Mast Lowered: 2,320 mm
Height with Mast Extended: 4,570 mm
Fork Dimensions (thickness x width x length): 50 x 150 x 1,220 mm
Fork Carriage to DIN 15 173: 3A
Fork Carriage Width: 1,190 mm
Tilt Range Forward: 6 deg
Tilt Range Backward: 10 deg
Rated Capacity at Load Center: 4,000 kg
Load Center Distance: 500 mm
Load Distance, Axle to Fork Face: 557 mm
Lifting Speed with Load: 5.10 m/s
Lifting Speed without Load: 5.10 m/s
Lowering Speed with Load: 5.00 m/s
Lowering Speed without Load: 5.00 m/s
Rated Drawbar Pull with Load: 24,000 N
Rated Drawbar Pull without Load: 17,000 N
Gradeability with Load: 26.8%
Gradeability without Load: 27.4%
Overall Length: 4,290 mm
Length to Fork Face: 3,070 mm
Overall Width: 1,415 mm
Overall Width with Optional Duals: 1,965 mm
Height to Top of Overhead Guard: 2,250 mm
Seat Height: 1,093 mm
Tow Coupling Height: 420 mm
Wheelbase: 2,000 mm
Track Width (centre of tyres) Front: 1,175 mm
Track Width (centre of tyres) Rear: 1,180 mm
Ground Clearance Under Mast with Load: 150 mm
Ground Clearance at Centre of Wheelbase with Load: 252 mm
Minimum Outside Turning Radius: 2,735 mm
Minimum Distance Between Centres of Rotation: 870 mm
Working Aisle Width with 1000x1200 mm Pallets Crosswise: 4,492 mm
Working Aisle Width with 800x1200 mm Pallets Crosswise: 4,292 mm
Truck Weight without Load: 5,570 kg
Axle Loading with Maximum Load Front: 8,580 kg
Axle Loading with Maximum Load Rear: 990 kg
Axle Loading without Load Front: 2,460 kg
Axle Loading without Load Rear: 3,110 kg
Engine oil change interval: 250 hours under normal
conditions
Transmission oil change interval: 1,000 hours
Hydraulic oil change interval: 2,000 hours
Coolant change interval: 2,000 hours or 2 years
Brake fluid replacement interval: 1,000 hours or 1 year
Air filter element replacement interval: 500 hours or as indicated by
restriction indicator
Drive axle oil change interval: 1,000 hours
Steering system oil change interval: 1,000 hours
Valve lash adjustment interval: 500 hours
Ignition system service interval: 250 hours
Parking brake lever travel adjustment: 5-7 notches
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