

The Caterpillar Lift Truck GP40K is a robust industrial forklift designed for heavy lifting and material handling. Known for its durability and efficiency, this model excels in various warehouse and construction applications, ensuring optimal performance and reliability in demanding environments.
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Tensioning Guide
Belt-diagram
C-120 pulleys
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Pre-built workflows to keep your asset running smoothly.
Daily Electrical System Inspection
Replace Roller and Pulley
Install Engine B-120
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Motion Industries
Applied Industrial Technologies
Electrical Brothers
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Drive Motor
B2 Rollers
Tensioning System
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Caterpillar Lift Truck GP40K
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1200 Hourly / 6 Monthly Differential Oil Replacement
Park the lift truck on a level surface, parking brake applied, transmission in NEUTRAL, forks lowered, lubricant warm, engine stopped and the wheels blocked.
Lift bracket raised high enough to gain access to the level/fill plug
Blocking used under inner mast to secure the lift bracket in this position
Drain plug and the level/fill plug removed
Oil drained, drain plug cleaned and reinstalled
Amount of oil filled to the bottom of the level/fill hole
Level/fill plug put back in place
Blocking removed, lift bracket lowered
Sign off on the oil replacement
2400 Hourly / 1 Yearly Parts Replacement
• The following parts should be periodically changed as noted below.
• These parts are made of materials which will deteriorate as time goes by. Further, it is difficult to determine visually whether or not they are still in good condition.
• Changing at proper intervals will reduce the risk of injury to the operator and damage to the truck.
1. LP-Gas repair kit (Converter and fuel lock filter).
2. Cups and dust seals of the wheel cylinders.
3. Cup and dust seal of the master cylinder.
4. Hydraulic hoses on and around mast.
NOTICE: Periodic changes of these parts are not covered by Warranty.
200 Hourly / 1 Monthly Powershift Transmission Oil Level Check
WARNING! Hot oil and components could cause injury. Do not allow hot oil or components to contact your skin.
Operate the lift truck a few minutes to warm the oil.
Park the lift truck on a level surface with the forks lowered, parking brake applied, transmission in NEUTRAL, engine stopped and the wheels blocked.
Remove the floor plate.
Remove the dipstick. Check the oil level.
Enter the oil level reading from the dipstick.
Maintain the correct level range indicated on the dipstick.
Sign off on the oil level check.
1 Daily / 10 Hourly Engine Coolant Check Coolant Level
WARNING! At operating temperature, the engine coolant is hot and under pressure. Steam could cause injuries. DO NOT let it contact your skin and eyes.
To avoid having scalding coolant or steam blow out of the radiator, do not remove the radiator cap unless the engine is cold.
Muffle the cap in a thick cloth and turn it slowly to release all pressure before removing the cap.
The lift truck must be level, the forks lowered, the parking brake applied, the transmission in NEUTRAL, engine stopped and the wheels blocked. The engine must be cooled down.
Raise the hood.
Maintain the coolant level between the FULL and LOW marks on the reserve tank.
WARNING! Keep fire away from undiluted antifreeze as it is FLAMMABLE
CAUTION! DO NOT add water only. This dilutes the antifreeze/summer coolant protection and adversely affects the engine. Be sure to premix antifreeze/summer coolant with tap water (soft water).
If coolant has to be added frequently, have your Cat lift truck dealer check the cooling system.
1200 Hourly / 6 Monthly Powershift Transmission Oil and Wash Strainer Replacement
WARNING! Hot oil and components could cause serious injury. Do not allow hot oil or components to contact your skin.
Lift truck parked on a level surface with the forks lowered, parking brake applied, transmission in NEUTRAL, engine stopped and the wheels blocked.
Drain plug removed and oil drained.
Cover, O-ring seal and strainer removed.
Strainer and plug washed in clean, nonflammable solvent.
Strainer, O-ring seal, and cover reinstalled. Drain plug put back in place.
Floor plate removed.
Filler cap removed. Transmission filled with oil. Filler cap put back in place.
Engine started.
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