Cat GC55K Specifications
The Cat GC55K is a reliable Class IV internal
combustion cushion tire forklift built for demanding indoor applications
requiring 5,500 kg (12,126 lb) lifting capacity. Powered by a choice of PSI 4X
4.3 L or GM V6 LPG engines, it provides responsive power delivery and
operational efficiency. Operators benefit from a well-designed compartment with
intuitive controls, excellent visibility, and a comfortable Grammer seat that
reduces fatigue during extended shifts.
The single-speed powershift transmission with
torque converter ensures smooth directional changes, while the
hydrostatic power steering and short turn radius (STR) design enhance
maneuverability in confined warehouse spaces. The robust construction
includes a reinforced steel frame, engine protection system monitoring
critical components, and easy-access engine cover requiring no tools for
routine maintenance. Additional features include extended 300-hour
service intervals, operator presence detection system, and forward LED
worklights for improved visibility.
Standard Engine Manufacturer: PSI
Standard Engine Model: PSI 4X
Standard Engine Type: 4.3 L V6 LPG
Standard Engine Rated Output to ISO 1585: 78 kW (105 hp)
Standard Engine Rated Speed to DIN 70 020: 2,600 rpm
Standard Engine Number of Cylinders: 6
Standard Engine Displacement: 4,300 cc (262 cu in)
Optional Engine Manufacturer: GM
Optional Engine Model: GM V6
Optional Engine Type: 4.3 L V6 LPG
Optional Engine Rated Output to ISO 1585: 69 kW (92.5 hp)
Optional Engine Rated Speed to DIN 70 020: 2,450 rpm
Optional Engine Number of Cylinders: 6
Optional Engine Displacement: 4,300 cc (262 cu in)
Optional Engine Maximum Torque: 298 Nm (220 lb-ft)
Optional Engine Torque Speed: 1,200 rpm
Fuel Type: LPG (LP gas)
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 Type: Powershift
Transmission Gears Forward / Reverse: 1/1
Transmission Control: Single lever with inching control
Torque Converter Type: Single-stage, single-phase
Travel Speed with Load: 18.0 km/h (11.2 mph)
Travel Speed without Load: 19.5 km/h (12.1 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
Battery: Standard lead-acid
Alternator: Standard equipment
Ignition System: Electronic
Tire Type: Solid cushion
Wheel Drive: 2x driven (front)
Number of Wheels: 2 front / 2 rear
Tyre Dimensions Front: 22x12x16
Tyre Dimensions Rear: 18x8x12.1
Frame: Reinforced steel frame for added strength
Steering Type: Fully-hydrostatic 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 Pump Flow: 95 L/min (25.1 gpm)
Hydraulic System Relief Pressure: 200 bar (2,900 psi)
Maximum Operating Pressure for Attachments: 200 bar (2,900 psi)
Hydraulic Control Valve: Monoblock type
Hydraulic Fluid Type: ISO VG 32 or 46
Hydraulic Filter: Return line filter
Mast Type (standard): Two-stage simplex
Mast Type (optional): Three-stage
Mast Construction: Rolled channel sections with welded stops
Lift Chains: Heavy-duty roller chain
Lift Cylinders: Two, double-acting piston type
Tilt Cylinders: Two, double-acting piston type
Lift Height (standard): 2,900 mm (114 in)
Lift Height (three-stage): 5,563 mm (219 in)
Maximum Fork Height: 2,900 mm (114 in)
Free Lift: 160 mm (6.3 in)
Height with Mast Lowered: 2,120 mm (83.5 in)
Height with Mast Lowered (three-stage): 2,591 mm (102 in)
Height with Mast Extended (three-stage): 5,563 mm (219 in)
Fork Dimensions (thickness x width x length): 60x150x1,220 mm (2.4x5.9x48 in)
Fork Length: 1,220 mm (48 in)
Fork Carriage to DIN 15 173: 4A
Fork Carriage Width: 1,125 mm (44.3 in)
Fork Spread Maximum: 1,041 mm (41.0 in)
Tilt Range Forward: 5 deg
Tilt Range Backward: 10 deg
Load Distance, Axle to Fork Face: 480 mm (18.9 in)
Rated Capacity: 5,500 kg (12,126 lb)
Load Center Distance: 600 mm (23.6 in)
Lifting Speed with Load: 0.39 m/s (77 fpm)
Lifting Speed without Load: 0.42 m/s (83 fpm)
Lowering Speed with Load: 0.44 m/s (86 fpm)
Lowering Speed without Load: 0.41 m/s (81 fpm)
Rated Drawbar Pull: 23,780 N (5,346 lbf)
Gradeability with Load: 22.5%
Maximum Climbing Ability: 25%
Overall Length: 4,130 mm (163 in)
Length to Fork Face: 2,910 mm (115 in)
Overall Width: 1,320 mm (52.0 in)
Height to Top of Overhead Guard: 2,205 mm (86.8 in)
Wheelbase: 1,780 mm (70.1 in)
Track Width (centre of tyres) Front: 1,015 mm (40.0 in)
Track Width (centre of tyres) Rear: 965 mm (38.0 in)
Ground Clearance Under Mast with Load: 100 mm (3.9 in)
Ground Clearance at Centre of Wheelbase with Load: 150 mm (5.9 in)
Seat Height: 1,200 mm (47.2 in)
Minimum Outside Turning Radius: 2,550 mm (100 in)
STR (Short Turn Radius) Model Turning Radius: 2,350 mm (92.5 in)
Working Aisle Width with 1000 x 1200 mm Pallets Crosswise: 4,230 mm (167 in)
Working Aisle Width with 800 x 1200 mm Pallets Crosswise: 4,030 mm (159 in)
Truck Weight without Load: 7,190 kg (15,850 lb)
Alternate Truck Weight: 7,550 kg (16,645 lb)
Axle Loading with Maximum Load Front: 11,260 kg (24,824 lb)
Axle Loading with Maximum Load Rear: 1,430 kg (3,153 lb)
Axle Loading without Load Front: 2,420 kg (5,335 lb)
Axle Loading without Load Rear: 4,770 kg (10,516 lb)
Engine oil change interval: 300 hours (extended service
intervals)
Transmission oil change interval: 1,000 hours
Hydraulic oil change interval: 2,000 hours
Coolant change interval: 2,000 hours or 2 years
Drive axle oil change interval: 1,000 hours
Steering system oil change interval: 1,000 hours
Valve lash adjustment interval: 500 hours
Tire Pressure Inspection Interval: Weekly or every 50 hours.
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