Forklifts and telehandlers specifications and technical data
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Cat GC35K Specifications

Basic Information

The Cat GC35K is a 3,500 kg (7,700 lb) capacity LPG-powered cushion tire forklift designed for demanding indoor material handling applications. This four-wheel, sit-down counterbalanced truck excels in warehouse environments, manufacturing facilities, and distribution centers where maneuverability and reliability are essential. Power is provided by a choice of engines including the PSI 4X 4.3L V6 producing 78 kW (105 hp) or the optional GM V6 delivering 69 kW (93 hp), mated to a single-speed powershift transmission enabling travel speeds up to 19.5 km/h (12.1 mph).

The truck features lift speeds reaching 0.57 m/s (112 ft/min) and a tight turning radius of 2,235 mm (7.3 ft) for exceptional maneuverability in confined spaces. The standard two-stage mast provides 3,050 mm (120 in) of maximum fork height with 150 mm (5.9 in) of free lift. With its spacious operator compartment, optimized visibility through narrow mast channels, and robust solid tires, the GC35K delivers versatile performance across diverse applications. The truck meets EPA/CARB emissions standards and includes features such as a memory tilt steering column, cowl-mounted hydraulic levers, and comprehensive safety systems.

Engine Specs

Standard engine manufacturer / model: PSI / 4X
Standard engine power source: LPG
Standard engine rated output to ISO 1585: 78 kW (105 hp)
Standard engine rated speed: 2,600 rpm
Standard engine number of cylinders: 6
Standard engine displacement: 4.3 L (262 cu in)
Optional engine manufacturer / model: GM / V6
Optional engine rated output to ISO 1585: 69 kW (93 hp)
Optional engine rated speed: 2,450 rpm
Optional engine number of cylinders: 6
Optional engine displacement: 4.3 L (262 cu in)
Optional engine maximum torque: 298 Nm (220 lb-ft)
Optional engine torque speed: 1,200 rpm
Fuel system: throttle-body fuel injection (LP models)
Engine Protection System: monitors critical operating parameters
Lubrication system type: forced circulation
Oil pump type: gear
Cooling system type: water-cooled, pressurized
Radiator type: fin and tube with high pass-through option for dusty applications

Drive Train

Transmission type: Powershift with hydraulic accumulator
Transmission gears forward / reverse: 1 / 1
Transmission control: single lever with inching capability
Travel speed with load: 19.0 km/h (11.8 mph)
Travel speed without load: 19.5 km/h (12.1 mph)
Front axle type: heavy-duty cast drive axle with reduction differential
Rear axle type: steering axle
Service brake type: foot-operated, hydraulic
Service brake design: hydraulic with inching capability
Parking brake type: hand-operated, mechanical

Electrical System

System voltage: 12 V
Battery: maintenance-free
Alternator: high-output
Starter: heavy-duty

Wheels and Tires

Wheels (x=driven): number front / rear: 2x / 2
Tire type: solid cushion
Tire dimensions, front: 22 x 9 x 16
Tire dimensions, rear: 18 x 7 x 12.1

Steering system: hydrostatic power steering
Steering control: steering wheel with memory tilt steering column
Steering pump type: gear
Steering cylinder: double-acting

Hydraulic System

Hydraulic pump type: high-output direct-drive gear pump
Oil flow for attachments: 95 L/min (25.1 gpm)
Maximum operating pressure for attachments: 200 bar (2,900 psi)
Relief pressure for main lift circuit: 200 bar (2,900 psi)
Control valve type: monoblock with cowl-mounted hydraulic levers
Number of hydraulic control valve sections: 2

Mast Data

Mast type (standard): two-stage simplex
Lift height (see tables): 3,050 mm (120 in)
Free lift (see tables): 150 mm (5.9 in)
Mast type (optional): three-stage
Lift with three-stage mast: maximum fork height: 4,648 mm (183 in)
Mast type (optional): four-stage
Maximum lift height optional: up to 5,918 mm (233 in)
Mast tilt, forwards / backwards: 5° / 10°
Mast design: narrow mast channels for optimized forward visibility
Fork carriage to DIN 15 173: 3A
Fork carriage width: 1,125 mm (44.3 in)
Maximum fork spread: 1,040 mm (41 in)
Load backrest extension: 48 in (1,219 mm) high optional

Load Capacity

Load capacity: 3,500 kg (7,700 lb)
Load centre distance: 500 mm (19.7 in)
Load distance, axle to fork face: 450 mm (17.7 in)

Performance Data

Lifting speed with / without load: 0.54 m/s / 0.57 m/s (106 ft/min / 112 ft/min)
Lowering speed with / without load: 0.55 m/s / 0.50 m/s (108 ft/min / 98 ft/min)
Lowering speed: 98 ft/min (0.50 m/s)
Rated drawbar pull: 23,780 N (5,346 lb)
Gradeability with / without load: 37% / 37%

Dimensions and Weight

Length to fork face (includes fork thickness): 2,510 mm (98.8 in)
Overall length: 3,730 mm (147 in)
Overall width: 1,180 mm (46.5 in)
Height with mast lowered: 2,120 mm (83.5 in)
Height to top of overhead guard: 2,205 mm (86.8 in)
Overall height with mast raised: 4,250 mm (167 in)
Track width (centre of tyres), front: 940 mm (37.0 in)
Track width (centre of tyres), rear: 980 mm (38.6 in)
Wheelbase: 1,575 mm (62.0 in)
Ground clearance under mast with load: 100 mm (3.9 in)
Ground clearance at centre of wheelbase with load (forks lowered): 150 mm (5.9 in)
Seat height: 1,200 mm (47.2 in)
Fork dimensions (thickness x width x length): 50x150x1,220 mm (2.0x5.9x48.0 in)
Fork carriage width: 1,125 mm (44.3 in)
Maximum fork spread: 1,040 mm (41 in)
Minimum outside turning radius: 2,235 mm (88.0 in)
Working aisle width with 1,000x1,200 mm pallets, crosswise: 3,885 mm (153 in)
Working aisle width with 800x1,200 mm pallets, crosswise: 3,685 mm (145 in)
Right angle stacking aisle: 2,692 mm (106 in)
Operating weight: 5,239 kg (11,550 lb)
Axle loading with max load front (simplex mast, lowest lift height): 7,710 kg (17,000 lb)
Axle loading with max load rear (simplex mast, lowest lift height): 1,030 kg (2,270 lb)
Axle loading without load front (simplex mast, lowest lift height): 2,100 kg (4,630 lb)
Axle loading without load rear (simplex mast, lowest lift height): 3,140 kg (6,920 lb)

Maintenance Data

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
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

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