Cat GP30K Specifications
The Caterpillar GP30K is a 3.0-ton (3,000 kg / 6,600
lb) class LPG/petrol-powered pneumatic-tire forklift designed for medium-duty
industrial material-handling environments that demand strong torque, stable
lifting performance, smooth acceleration, and dependable multi-shift
operability.
Positioned as part of the Caterpillar K-series
internal-combustion forklift line, the GP30K is widely used in heavy
warehouses, manufacturing plants, fabrication shops, logistics
terminals, building-material yards, and mixed indoor/outdoor
applications. This model is equipped with the proven Mitsubishi 4G64
industrial engine—a 2.4-liter, 4-cylinder spark-ignition engine
well-known for reliable torque output, low vibration, strong throttle
response, and a long service life.
The GP30K features a reinforced welded steel
chassis, an industrial powershift transmission, a load-sensing hydraulic
system, a high-visibility mast assembly, hydrostatic power steering, and
durable pneumatic tires suitable for uneven surfaces. The forklift
emphasizes serviceability, low operating cost, strong mechanical
reliability, and consistent day-to-day performance under variable load
demands.
The Caterpillar GP30K is powered by the 4G64 industrial
spark-ignition engine, part of Mitsubishi’s long-running 4-series engine family.
Mitsubishi 4G64 - Basic Technical
Specifications:
- Engine type: inline 4-cylinder, 4-stroke gasoline/LPG industrial engine
- Displacement: 2.4 liters (2,351 cc / 143 cu in)
- Bore x stroke: approx. 86.5 x 100 mm (3.41 x 3.94 in)
- Maximum power (industrial tune): approx. 45-60 kW (60-80 hp) @ 2,300-2,600 rpm
- Peak torque: approx. 180-210 Nm (133-155 lb-ft) @ 1,600-1,800 rpm
- Fuel type: LPG or gasoline depending on configuration
- Fuel system: mixer-type LPG or EFI gasoline carburetion method
- Aspiration: naturally aspirated
- Ignition: fully electronic, distributor-type or distributorless depending on
variant
- Idle speed: approx. 750 ± 50 rpm
The 4G64’s long stroke provides strong low-RPM torque essential for forklift
acceleration and stable lifting performance.
Lubrication System:
- Lubrication type: full-pressure wet-sump
- Oil pump: internal gear-type
- Oil capacity: approx. 4.0-4.5 L (4.2-4.8 qt)
- Normal oil pressure: approx. 300-450 kPa (44-65 psi)
- Recommended oil: SAE 10W-30 or 15W-40 (API SJ/SL/SM)
- Filtration: spin-on full-flow cartridge
Cooling System:
- Cooling method: liquid-cooled
- Coolant capacity: approx. 7-9 L (7.4-9.5 qt)
- Thermostat opening temperature: approx. 82°C (180°F)
- Fully open near: 95°C (203°F)
- Radiator: fin-tube industrial core
- Cooling fan: mechanical engine-driven
- Water pump: belt-driven centrifugal
- System pressure: approx. 88-108 kPa (13-16 psi)
The cooling assembly is designed for industrial loading with long lift cycles
and hot-weather conditions.
Transmission:
- Type: heavy-duty industrial powershift
- Forward gears: 1-2
- Reverse gears: 1-2
- Travel speed (unladen): approx. 18-20 km/h (11-12 mph)
- Travel speed (laden): approx. 16-18 km/h (10-11 mph)
- Transmission fluid capacity: approx. 8-10 L (8.4-10.5 qt)
- Recommended fluid: Dexron III ATF
- Cooling: transmission oil cooler integrated with radiator
Front Drive Axle:
- Axle type: rigid front drive axle
- Differential type: bevel-gear differential
- Gear oil capacity: approx. 4.0-5.5 L (4.2-5.8 qt)
- Lubricant: SAE 80W-90 gear oil
- Axle load rating: designed for 3-ton class industrial usage
Rear Steer Axle:
- Type: oscillating center-pivot axle
- Oscillation angle: approx. ±8-10 degrees
- Lubricant capacity: approx. 1.0-1.5 L
Braking System:
- Service brakes: hydraulic drum brakes
- Brake actuation: hydraulic master cylinder
- Parking brake: mechanical lever-actuated drum brake
- Optional brake system upgrades: wet-disc brakes (market dependent).
- System voltage: 12 V
- Battery capacity: approx. 70-90 Ah
- Alternator rating: approx. 40-60 A
- Starter motor: approx. 2.0-2.5 kW
- Electrical harness: sealed connectors, abrasion-resistant conduit
Instrument cluster includes:
- engine oil pressure lamp
- coolant temperature lamp
- charging indicator
- hour meter
- LPG level gauge (LPG variant)
- parking brake indicator.
Drive
Configuration:
- Drive wheels: front
- Steer wheels: rear
- Drive type: 2-wheel drive pneumatic-tire forklift
Tires (Pneumatic):
- Front tires: approx. 8.15x15
- Rear tires: approx. 6.50x10
- Optional tires: solid pneumatic or non-marking
Chassis Construction:
- Heavy-duty welded steel frame
- Integrated counterweight
- Structural overhead guard
- Anti-slip steps and multiple grab points
- Protected routing for hydraulic lines and electrical cables
Steering:
- Steering type: fully hydrostatic power steering
- Pump flow: approx. 6-12 L/min (1.5-3.2 gpm)
- Steering cylinder: double-acting
- Rear axle: oscillating center-pivot
- Turning radius: approx. 2.3-2.5 m (91-98 in)
Hydrostatic steering provides low-effort response and excellent low-speed
maneuvering.
- Pump type: gear-type hydraulic pump
- Pump flow: approx. 45-65 L/min (12-17 gpm)
- System pressure: approx. 17-19 MPa (2,500-2,750 psi)
- Hydraulic reservoir: approx. 28-35 L (30-37 qt)
- Fluid type: ISO VG 32 or VG 46
- Lift cylinders: dual, double-acting
- Tilt cylinders: dual, cushioning-type
- Flow control: load-sensing design with proportional valve control
Optional attachments:
- Side-shift
- Fork-positioner
- Rotator
- Bale/drum clamp
- Push-pull (slip-sheet) devices.
| Service Refill Capacities |
- Engine oil: 4.0-4.5 L
- Cooling system: 7-9 L
- Transmission: 8-10 L
- Drive axle: 4-5.5 L
- Steer axle: 1-1.5 L
- Hydraulic system: 28-35 L
Mast Types:
- Simplex (1-stage)
- Duplex (2-stage)
- Triplex (3-stage full free-lift)
Lift Heights:
- Simplex: 2.5-3.5 m (98-138 in)
- Duplex: 3.0-4.5 m (118-177 in)
- Triplex: 4.5-6.0 m (177-236 in)
Free Lift: 80-1,000 mm (3-40 in)
Carriage Width: 1,000-1,100 mm (39-43 in)
Fork Specifications:
- Standard fork length: 1,070 mm (42 in) or 1,220 mm (48 in)
- Optional: 914-1,829 mm (36-72 in)
- Fork width: approx. 100-125 mm (4-5 in)
- Fork thickness: approx. 35-45 mm (1.4-1.8 in)
- Fork class: ITA Class II or III depending on carriage.
- Rated capacity: 3,000 kg (6,600 lb)
- Load center: 500-600 mm (20-24 in)
Capacity reduction occurs with:
- taller mast options
- long forks
- attachments
- side-shift/fork-positioner use
- off-center loads.
- Lift speed (unladen): approx. 0.45-0.60 m/s
- Lift speed (laden): approx. 0.28-0.45 m/s
- Lowering speed: approx. 110-160 ft/min
- Gradeability (unladen): approx. 20-27%
- Gradeability (laden): approx. 15-20%
- Drawbar pull: approx. 14,000-20,000 N (3,150-4,500 lbf).
- Overall length to fork face: approx. 2.6-2.7 m
(102-106 in)
- Overall width: approx. 1.15-1.22 m (45-48 in)
- Overhead guard height: approx. 2.1-2.2 m (83-87 in)
- Wheelbase: approx. 1.65 m (65 in)
- Ground clearance: approx. 110-140 mm (4.3-5.5 in)
- Turning radius: approx. 2.3-2.5 m (91-98 in)
- Aisle width (1000x1200 pallet): approx. 3.6-3.9 m (142-154 in)
- Maximum fork height: 2.5-6.0 m
- Free lift: 80-1,000 mm
- Fork lengths: 36-72 in
- Operating weight: approx. 4,200-4,800 kg (9,250-10,580 lb)
- Counterweight mass: approx. 1,900-2,300 kg (4,180-5,070 lb).
250-Hour Service:
- Replace engine oil and filter
- Clean radiator and vaporizer (LPG)
- Lubricate mast and steer joints
- Inspect air filter
500-Hour Service:
- Replace transmission fluid
- Inspect axle seals
- Clean hydraulic suction strainer
1,000-Hour Service:
- Replace hydraulic fluid and filters
- Replace coolant
- Inspect hoses, seals, driveline
2,000-Hour Service:
- Full drivetrain inspection
- Mast structural alignment
- Steering linkage and axle inspection.
____________________________________________________________________________________
| Telehandlers Specifications |
| Front-End Loader Specifications |