Cat GP50K Specifications
The Cat GP50K is a heavy-duty Class V internal
combustion pneumatic tire forklift built for demanding outdoor applications
requiring 5,000 kg (11,023 lb) 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. The production
years for this model span from 2000 to 2007.
Engine Manufacturer: Nissan
Engine Model: TB45
Power Type: LPG
Rated Output to ISO 1585: 72 kW (97 hp)
Rated Speed to DIN 70 020: 2,450 rpm
Maximum Torque: 281 Nm (207 lb-ft)
Torque Speed: 1,200 rpm
Number of Cylinders: 6
Displacement: 4,500 cc (275 cu.in)
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
Fan Belt: Alternator drive belt requires inspection and adjustment
Transmission Type: Powershift
Transmission Gears Forward / Reverse: 2 / 2
Transmission Control: Single lever with inching control
Torque Converter Type: Single-stage, single-phase
Travel Speed with Load: 21.5 km/h (13.4 mph)
Travel Speed without Load: 23.5 km/h (14.6 mph)
Drive Axle (Front): Full-floating, banjo type
Differential Type: Bevel gear with straight spline
Steer Axle (Rear): Pivot-type with articulated mount
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
Alternator Drive: Belt
Tire Type: Pneumatic
Standard Tyres: SE4
Wheel Drive: 2x driven (front)
Number of Wheels: 2 front / 2 rear
Tyre Dimensions Front: 8.25 x 15-14 PR
Tyre Dimensions Rear: 7.00 x 12-14 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 (2,770 psi)
Maximum Operating Pressure for Attachments: 191 bar (2,770 psi)
Hydraulic Control Valve: Monoblock type
Mast Type (standard): Two-stage simplex
Mast Type (optional): Three-stage
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 (130 in)
Max Fork Height (3-stage): 4,547 mm (179 in)
Max Fork Height (3-stage): 4,801 mm (189 in)
Free Lift: 100 mm (3.9 in)
Height with Mast Lowered: 2,400 mm (94.5 in)
Height with Mast Lowered (3-stage): 2,388 mm (94 in)
Height with Mast Extended: 4,590 mm (181 in)
Height to Top of Overhead Guard: 2,250 mm (88.6 in)
Seat Height: 1,093 mm (43.0 in)
Tow Coupling Height: 420 mm (16.5 in)
Fork Dimensions (thickness x width x length): 60x150x1,220 mm (2.4x5.9x48 in)
Fork Length: 1,346 mm (53 in)
Fork Carriage to DIN 15 173: 3A
Fork Carriage Width: 1,190 mm (46.9 in)
Max Fork Spread: 1,186 mm (46.7 in)
Tilt Range Forward: 6 deg
Tilt Range Backward: 10 deg
Rated Capacity at Load Center: 5,000 kg (11,023 lb)
Load Center Distance: 600 mm (23.6 in)
Load Distance, Axle to Fork Face: 582 mm (22.9 in)
Lifting Speed with Load: 4.40 m/s (866 fpm)
Lifting Speed without Load: 4.40 m/s (866 fpm)
Lowering Speed with Load: 5.00 m/s (984 fpm)
Lowering Speed without Load: 5.00 m/s (984 fpm)
Rated Drawbar Pull with Load: 33,000 N (7,419 lbf)
Rated Drawbar Pull without Load: 20,000 N (4,496 lbf)
Gradeability with Load: 29.4%
Gradeability without Load: 25.7%
Overall Length: 4,525 mm (178 in)
Length to Fork Face: 3,305 mm (130 in)
Overall Width: 1,460 mm (57.5 in)
Overall Width with Optional Duals: 1,965 mm (77.4 in)
Wheelbase: 2,150 mm (84.6 in)
Track Width (centre of tyres) Front: 1,175 mm (46.3 in)
Track Width (centre of tyres) Rear: 1,180 mm (46.5 in)
Ground Clearance Under Mast with Load: 150 mm (5.9 in)
Ground Clearance at Centre of Wheelbase with Load: 252 mm (9.9 in)
Minimum Outside Turning Radius: 2,965 mm (117 in)
Minimum Distance Between Centres of Rotation: 965 mm (38.0 in)
Working Aisle Width with 1000 x 1200 mm Pallets Crosswise: 4,747 mm (187 in)
Working Aisle Width with 800 x 1200 mm Pallets Crosswise: 4,547 mm (179 in)
Truck Weight without Load: 7,050 kg (15,543 lb)
Axle Loading with Maximum Load Front: 10,650 kg (23,479 lb)
Axle Loading with Maximum Load Rear: 1,400 kg (3,086 lb)
Axle Loading without Load Front: 2,900 kg (6,393 lb)
Axle Loading without Load Rear: 4,150 kg (9,149 lb)
Engine Oil Change Interval: 200 hours
Transmission Oil Level Check: 200 hours / 1 month
Hydraulic Filter Change Interval: Initial at 1 month
Air Filter Element Replacement Interval: As needed based on operating conditions
Fuel Filter Replacement Interval: Initial at 1 month
Alternator Drive Belt Inspection: 200 hours / 1 month
Drive Belt Deflection: Check with 98 N (22 lb) pressure
Tire Pressure Inspection Interval: Weekly or every 50 hours
LP-Gas System Check: 200 hours / 1 month for damage and gas leakage
Piping and Piping Joints Inspection: 200 hours / 1 month.
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