Cat GP45K Specifications
The Caterpillar GP45K is a 4,500 kg capacity
LPG-powered pneumatic tire forklift engineered for demanding indoor and outdoor
material handling applications. This model combines a powerful Nissan TB45
six-cylinder engine with a durable powershift transmission to deliver reliable
performance in environments such as warehouses, distribution centers, and lumber
yards. The GP45K features a robust chassis design, heavy-duty pneumatic tires
for enhanced traction on varied surfaces, and a hydraulic system with 191 bar
operating pressure for efficient lifting operations.
The operator compartment is designed for
comfort and productivity with excellent visibility and ergonomic
controls. With its dual-fuel capability allowing operation on either LPG
or gasoline, this forklift offers operational flexibility while
maintaining the power and durability expected from Caterpillar
equipment. The GP45K is recognized for its stability, serviceability,
and consistent performance in medium to heavy-duty applications.
Engine Model: Nissan TB45
Power Type: LPG (Liquefied Petroleum Gas)
Rated Output (ISO 1585): 72.0 kW (96.6 hp) @ 2,450 rpm
Maximum Torque: 207 lb-ft (281 Nm) @ 1,200 rpm
Number of Cylinders: 6
Displacement: 4.5 L (275 cu.in)
Fuel System: Dual-fuel capable (LPG or gasoline)
Engine Design: Six-cylinder configuration for smooth power delivery
Lubrication System Type: Pressure lubrication with full-flow filtration
Oil Capacity: 12.0 L (12.7 US qt)
Recommended Oil: API service class SF or higher, SAE 15W-40
Cooling System Type: Pressurized, water-cooled with centrifugal pump
Coolant Capacity: 18.0 L (19.0 US qt)
Transmission Type: Powershift transmission
Drive Control Type: Powershift with torque converter
Number of Speeds Forward / Reverse: 1/1
Transmission Design: Heavy-duty, automatic shifting
Travel Speed (with load): 18.0 km/h (11.2 mph)
Travel Speed (without load): 19.5 km/h (12.1 mph)
Service Brake Type: Hydraulic
Parking Brake Type: Mechanical, hand-operated
Drive Axle (Front): Heavy-duty design with planetary reduction
Steer Axle (Rear): Robust construction with oscillating capability
System Voltage: 12 V
Battery: Heavy-duty commercial type
Alternator: High-output
Starting System: Electric starter with ignition system
Lights: Work lights included
Wheel Configuration (x = driven): 2x front / 2 rear
Number of Wheels Front / Rear: 2 / 2
Tire Type: Pneumatic
Tire Size (front): 8.25x15-14 PR
Tire Size (rear): 7.00x12-14 PR
Steering Type: Hydrostatic power steering
Steering Axle: Heavy-duty design
Minimum Distance Between Centers of Rotation: 870 mm (34.3 in)
Hydraulic Pump Type: Gear pump
Hydraulic System Design: High-efficiency, direct-drive
Maximum Operating Pressure for Attachments: 191 bar (2,770 psi)
Control Valves: Precision metering for smooth operation
| Service Refill Capacities |
Engine Oil: 12.0 L (12.7 US qt)
Cooling System: 18.0 L (19.0 US qt)
Hydraulic System: 60.0 L (63.4 US qt)
Transmission: 10.0 L (10.6 US qt)
Drive Axle: 6.0 L (6.3 US qt)
Mast Type Available: Simplex (two-stage) or Triplex
(three-stage)
Mast Lowered Height (simplex): 2,400 mm (94.5 in)
Lift Height (standard, simplex): 3,300 mm (130.0 in)
Lift Height (optional, triplex): 4,000 mm (157.5 in) to 5,000 mm (196.9 in)
Free Lift (simplex): 100 mm (3.9 in)
Overall Height with Mast Raised (3,300 mm lift): 4,570 mm (180.0 in)
Mast Tilt (forwards / backwards): 6° / 10°
Mast Design: Robust construction with excellent visibility
Mast Features: Side shift and fork positioner available
Fork Carriage Type: DIN 15173 Class 3A
Fork Carriage Width: 1,190 mm (46.9 in)
Fork Dimensions (thickness x width x length): 50x150x1,220 mm (2.0x5.9x48.0 in)
Fork Length (optional): 60.0 in (1,524 mm) available
Fork Spread (maximum): 46.7 in (1,186 mm)
Fork Positioner: Available for adjustable fork spacing
Load Capacity (rated): 4,500 kg (9,920 lb)
Load Center Distance: 600 mm (24.0 in)
Lifting Speed (with load): 0.44 m/s (86.6 fpm)
Lifting Speed (without load): 0.44 m/s (86.6 fpm)
Lowering Speed (with load): 0.50 m/s (98.4 fpm)
Lowering Speed (without load): 0.50 m/s (98.4 fpm)
Rated Drawbar Pull (with load): 24,000 N (5,395 lb)
Rated Drawbar Pull (without load): 18,000 N (4,047 lb)
Gradeability (with load): 23.0%
Gradeability (without load): 22.3%
Overall Length: 4,395 mm (173.0 in)
Length to Fork Face: 3,175 mm (125.0 in)
Overall Width (standard): 1,460 mm (57.5 in)
Overall Width (with optional duals): 1,965 mm (77.4 in)
Height to Top of Overhead Guard: 2,250 mm (88.6 in)
Height (with lowered mast): 2,400 mm (94.5 in)
Height (with extended mast): 4,570 mm (180.0 in)
Wheelbase: 2,000 mm (78.7 in)
Track Width (front, center of tyres): 1,175 mm (46.3 in)
Track Width (rear, center of tyres): 1,180 mm (46.5 in)
Ground Clearance (under mast, with load): 150 mm (5.9 in)
Ground Clearance (at center of wheelbase, with load): 252 mm (9.9 in)
Load Distance (axle to fork face): 562 mm (22.1 in)
Seat Height: 1,093 mm (43.0 in)
Tow Coupling Height: 420 mm (16.5 in)
Turning Circle Radius: 2,830 mm (111.4 in)
Working Aisle Width (with 1000x1200 mm pallets, crosswise): 4,582 mm (180.4 in)
Working Aisle Width (with 800x1200 mm pallets, crosswise): 4,382 mm (172.5 in)
Right Angle Stacking Aisle: 133.1 in (3,380 mm)
Truck Weight (without load, simplex mast, lowest lift height): 6,530 kg (14,395
lb)
Axle Loading (with max load, front / rear): 9,510 kg / 1,520 kg (20,965 lb /
3,350 lb)
Axle Loading (without load, front / rear): 2,390 kg / 4,140 kg (5,270 lb / 9,125
lb)
Engine Oil and Filter Change: Every 250 hours or 3
months
Engine Air Filter Element: As indicated by restriction gauge (check daily)
Fuel Filter Replacement: Every 500 hours or 6 months
Hydraulic Oil Filter Replacement: Every 1,000 hours
Hydraulic Oil Change: Every 2,000 hours
Transmission Fluid and Filter Change: Every 1,000 hours
Drive Axle Oil Change: Every 1,000 hours
Coolant Change: Every 2,000 hours or 2 years
Chassis Greasing: Every 50 hours or weekly
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