Cat GC70K Specifications
The Caterpillar GC70K is a 7,000 kg capacity
LPG-powered forklift engineered for demanding material handling applications in
industrial environments. Powered by a rugged PSI 4X 4.3 liter V6 EPA compliant
engine, this cushion tire model combines robust construction with reliable
performance characteristics. The truck features a 2-speed powershift
transmission for smooth operation and a hydraulic system delivering 200 bar
pressure for attachment compatibility. With a turning radius of 2,570 mm and
gradeability reaching 26 percent, the GC70K provides capable performance in
manufacturing facilities, warehouse operations, and distribution centers.
The design incorporates a reinforced steel
frame for added strength, fully-hydrostatic steering for reduced
operator effort, and comprehensive service access including a
rear-hinged tool-free engine cover. Additional features include an
engine protection system monitoring critical components, extended
300-hour service intervals, operator presence detection system, and
LCD/LED display for monitoring all critical systems during operation.
The GC70K was manufactured by Caterpillar as part of their K-series
forklift line, offering lift capacities from 7,000 to 15,500 pounds with
various mast configurations and short turning radius options for
enhanced maneuverability in confined areas.
Standard engine manufacturer and model: PSI 4X V6
Standard engine type: 6-cylinder LPG, 4.3 liter displacement
Standard engine rated output to ISO 1585: 78 kW (104.6 HP) at 2,600 rpm
Standard engine power: 92.5 hp at 2,450 rpm on some configurations
Standard engine displacement: 4,300 cc (262 cu.in)
Standard engine number of cylinders: 6
Standard engine maximum torque: 285 Nm (210 lb-ft) at 1,000 rpm
Standard engine torque: 220 lb-ft (298 Nm) at 1,200 rpm on some configurations
Optional engine manufacturer and model: GM V6
Optional engine rated output to ISO 1585: 69 kW (92.5 HP) at 2,450 rpm
Optional engine displacement: 4,300 cc (262 cu.in)
Optional engine number of cylinders: 6
Optional engine maximum torque: 220 lb-ft (298 Nm) at 1,200 rpm
Fuel type: LPG (gas)
Engine features: Hardened valve seats for durability, meets EPA emissions
standards
Lubrication system: Full-pressure lubrication with oil filter
Cooling system: Liquid-cooled with pressurized radiator
Transmission type: Powershift with torque converter
Transmission gears forward / reverse: 2/2
Travel speed with load: 20.5 km/h (12.7 mph)
Travel speed without load: 23.0 km/h (14.3 mph)
Drive axle type: Heavy-duty drive axle
Steer axle type: Heavy-duty steer axle
Service brake type: Hydraulic, vacuum-boosted
Service brake actuation: Hydraulic with vacuum assist
Parking brake type: Mechanical, hand-operated
System voltage: 12V
Alternator type: Belt-driven
Starter motor: 12V
Frame construction: Reinforced steel frame for added
strength
Counterweight construction: Extra-heavy lead-filled counterweights on STR models
for greater maneuverability
Wheel configuration: 2x driven front / 2 rear
Number of wheels front: 2
Number of wheels rear: 2
Tire type: Cushion (solid)
Tyre dimensions front: 28 x 12 x 22
Tyre dimensions rear: 22 x 8 x 16
Steering type: Fully-hydrostatic power steering
Steering control: Steering wheel with hydraulic control unit
Steering pump type: Gear pump, integral with hydraulic system
Hydraulic system type: Gear pump system
Maximum operating pressure for attachments: 200 bar (2,900 psi)
Hydraulic system pressure: 2,500 psi on some configurations
Oil flow for attachments: 115 L/min (30.4 GPM)
Hydraulic pump type: Gear pump
Lift cylinder type: Double-acting
Tilt cylinder type: Double-acting
Number of lift cylinders: 2
Number of tilt cylinders: 2
Mast type standard: Two-stage (2 stage mast)
Mast type available: Three-stage mast available
Mast construction: Narrow mast channels with hoses mounted at 45 degrees for
excellent forward visibility
Maximum lift height (specified mast): 2,370 mm (93.3 in)
Maximum lift height available: 4,560 mm (179.5 in) on some configurations
Maximum lift height on three-stage mast: 5,309 mm (209 in) raised
Free lift (specified mast): 165 mm (6.5 in)
Mast height lowered: 2,150 mm (84.6 in)
Lowered mast height on three-stage mast: 2,515 mm (99 in)
Overall height with mast raised: 3,590 mm (141.3 in)
Mast tilt forward: 6 degrees
Mast tilt backward: 9 degrees
Fork carriage to DIN 15,173: 4A
Fork carriage width: 1,295 mm (51.0 in)
Maximum fork spread: 1,210 mm (47.6 in)
Forks thickness: 65 mm (2.6 in)
Forks width: 150 mm (5.9 in)
Forks length: 1,220 mm (48.0 in)
Load distance from axle to fork face: 530 mm (20.9 in)
Rated load capacity: 7,000 kg (15,432 lb)
Load centre distance: 600 mm (24.0 in)
Lifting speed with load: 0.36 m/s (71 fpm)
Lifting speed without load: 0.39 m/s (77 fpm)
Lift speed: 77 ft/min (23.5 m/min)
Lowering speed with load: 0.54 m/s (106 fpm)
Lowering speed without load: 0.39 m/s (77 fpm)
Lower speed: 77 ft/min (23.5 m/min)
Rated drawbar pull with/without load: 29,665 N (6,669 lbf)
Gradeability with/without load: 21.5 percent
Maximum climbing ability: 26 percent
Overall length: 4,170 mm (164.2 in)
Overall length with standard forks: 3,531 mm (139 in) on some configurations
Length to fork face: 2,950 mm (116.1 in)
Overall width: 1,440 mm (56.7 in)
Overall width: 4.73 ft (1.44 m)
Height with mast lowered: 2,150 mm (84.6 in)
Height to top of overhead guard: 2,255 mm (88.8 in)
Seat height: 1,285 mm (50.6 in)
Wheelbase: 1,830 mm (72.0 in)
Track width front (centre of tyres): 1,130 mm (44.5 in)
Track width rear (centre of tyres): 1,160 mm (45.7 in)
Ground clearance under mast with load: 100 mm (3.9 in)
Ground clearance at centre of wheelbase with load (forks lowered): 200 mm (7.9
in)
Working aisle width with 1,000x1,200 mm pallets crosswise: 4,300 mm (169.3 in)
Working aisle width with 800x1,200 mm pallets crosswise: 4,100 mm (161.4 in)
Minimum outside turning radius: 2,570 mm (101.2 in)
Turning radius on STR model: 2,470 mm (97.2 in)
Truck weight without load (simplex mast, lowest lift height): 9,480 kg (20,900
lb)
Operating weight on STR model: 9,920 kg (21,870 lb)
Axle loading with max load front (simplex mast, lowest lift height): 14,480 kg
(31,920 lb)
Axle loading with max load rear (simplex mast, lowest lift height): 2,000 kg
(4,409 lb)
Axle loading without load front (simplex mast, lowest lift height): 3,170 kg
(6,988 lb)
Axle loading without load rear (simplex mast, lowest lift height): 6,310 kg
(13,910 lb)
Maintenance intervals: Extended 300-hour 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
Air filter element replacement interval: as indicated by warning light
Drive axle oil change interval: 1,000 hours
Steering system oil change interval: 1,000 hours
Valve lash adjustment interval: 500 hours
Engine idle speed adjustment: specified range.
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