Capacities (Refill)
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| APPROXIMATE REFILL CAPACITIES
432E, 434E, 442E, 444E |
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| Compartment or System | Liters | US Gallons | Imperial Gallons |
| Engine Crankcase | 7.6 | 2.0 | 1.7 |
| Hydraulic Tank | 40 | 10.6 | 8.8 |
| Hydraulic System (Minimum) | 79 | 20.9 | 17.4 |
| Hydraulic System (Maximum) | 99 | 26.1 | 21.8 |
| Direct Drive Transmission | 18.5 | 4.9 | 4.1 |
| Power Shift Transmission | 19.0 | 5.0 | 4.2 |
| Cooling System with Heater | 25.3 | 6.7 | 5.6 |
| Cooling System without Heater | 23.1 | 6.1 | 5.1 |
| Cooling System with Heater (Tier III Engine) | 21.4 | 5.6 | 4.7 |
| Cooling System without Heater (Tier III Engine) | 19.5 | 5.1 | 4.3 |
| Fuel Tank | 160 | 42.2 | 35.2 |
| Fuel Tank (EST) | 187 | 49.4 | 41.1 |
| Rear Axle(1) | 16.5 | 4.4 | 3.6 |
| Rear Axle (All Wheel Steer)(1) | 16 | 4.2 | 3.5 |
| Final Drive for the Rear Axle (each side) | 1.7 | 0.45 | 0.37 |
| Front Powered Axle | 11 | 2.9 | 2.4 |
| Front Powered Axle (EST) | 14 | 3.7 | 3.1 |
| Final Drive for the Front Powered Axle (Each Side) | 0.7 | 0.2 | 0.2 |
| Final Drive for the Front/Rear Powered Axle (Each Side) (EST) | 1.7 | .45 | .37 |
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| APPROXIMATE REFILL CAPACITIES
422E and 428E |
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| Compartment or System | Liters | US Gallons | Imperial Gallons |
| Engine Crankcase | 7.6 | 2.0 | 1.7 |
| Hydraulic Tank | 40 | 10.6 | 8.8 |
| Hydraulic System (Minimum) | 79 | 20.9 | 17.4 |
| Hydraulic System (Maximum) | 99 | 26.1 | 21.8 |
| Transmission | 18.5 | 4.9 | 4.1 |
| Cooling System with Heater | 25.5 | 6.7 | 5.6 |
| Cooling System without Heater | 23.6 | 6.2 | 5.2 |
| Cooling System with Heater (Tier III Engine) | 21.4 | 5.6 | 4.7 |
| Cooling System without Heater (Tier III Engine) | 19.5 | 5.1 | 4.3 |
| Fuel Tank | 160 | 42.2 | 35.2 |
| Rear Axle(1) | 16.5 | 4.4 | 3.6 |
| Final Drive for the Rear Axle (each side) | 1.7 | 0.45 | 0.37 |
| Front Powered Axle | 11 | 2.9 | 2.4 |
| Final Drive for the Front Powered Axle (Each Side) | 0.7 | 0.2 | 0.2 |
| Brake Reservoir | 0.7 | 0.2 | 0.2 |
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Note: When you work on extreme slopes, consult your Caterpillar dealer for the correct fluid levels.
Caterpillar Information System:
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