Axle Capacities

• Front Drive Axle (8.25")

1.43 liters

1.51 quarts

• Front Drive Axle (9.25")

1.73 liters

1.83 quarts

• Rear Drive Axle (8.6")

2.03 liters

2.15 quarts

• Rear Drive Axle (9.5")

2.6 liters

2.75 quarts

• Rear Drive Axle (9.75")

2.84 liters

3.00 quarts

• Rear Drive Axle (10.5")

2.6 liters

2.75 quarts

• Rear Drive Axle (11.5")

3.0 liters

3.17 quarts

Cooling System

• VORTEC 4300 V6 Automatic with Front A/C*

14.0 liters

14.8 quarts

• VORTEC 4300 V6 Automatic with Front A/C**

15.6 liters

16.5 quarts

• VORTEC 4300 V6 Manual with Front A/C*

14.3 liters

15.1 quarts

• VORTEC 4300 V6 Manual with Front A/C**

15.7 liters

16.6 quarts

• VORTEC 4800 V8 Automatic with Front A/C*

14.4 liters

15.2 quarts

• VORTEC 4800 V8 Automatic with Front A/C**

15.9 liters

16.8 quarts

• VORTEC 4800 V8 Manual with Front A/C*

14.7 liters

15.5 quarts

• VORTEC 4800 V8 Manual with Front A/C**

16.1 liters

17.0 quarts

• VORTEC 5300 V8 Automatic with Front A/C*

14.4 liters

15.2 quarts

• VORTEC 5300 V8 Automatic with Front A/C**

15.9 liters

16.8 quarts

• VORTEC 6000 V8 Automatic*

15.3 liters

16.2 quarts

• VORTEC 6000 V8 Automatic**

15.8 liters

16.7 quarts

• VORTEC 6000 V8 Manual*

15.8 liters

16.7 quarts

• VORTEC 6000 V8 Manual**

15.8 liters

16.7 quarts

• VORTEC 8100 V8 Automatic*

25.5 liters

26.9 quarts

• VORTEC 8100 V8 Automatic**

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• VORTEC 8100 V8 HD Automatic*

23.7 liters

25.0 quarts

• RPO L18 VORTEC 8100 V8 Manual*

25.6 liters

27.1 quarts

Lubrication System

• 6.6L (RPO LLY) Oil Capacity-with Filter

9.5 liters

10.0 quarts

• 6.6L (RPO LLY) Oil Capacity-without Filter

8.7 liters

9.2 quarts

Engine Oil with Filter

• 4300 V6

4.3 liters

4.5 quarts

• (RPO LU3) 4800 V8; 5.3 V8; 6000 V8

5.7 liters

6.0 quarts

• (RPO LM7, L33, L59, LR4, LQ4, LQ9) 8100 V8

6.1 liters

6.5 quarts

Fuel Tank

• Short Bed and 2500 LD

98 liters

26 gallons

• Long Bed and Chassis Cab (Pickup Box Delete)

136 liters

36 gallons

• Chassis Cab 3500 and 3500HD - Front

102 liters

27 gallons

• Chassis Cab 3500 and 3500HD - Rear

87 liters

23 gallons

Transfer Case

• New Venture Gear 149 (NP3)

2.1 liters

2.22 quarts

• New Venture Gear 246 (NP8)

1.9 liters

2.0 quarts

• New Venture Gear 261 (NP2)

1.9 liters

2.0 quarts

• New Venture Gear 263 (NP1)

1.9 liters

2.0 quarts

Transmission

• 4L60-E 4 Spd. HMD Auto Pan Removal

4.7 liters

5.0 quarts

• 4L60-E 4 Spd. HMD Auto (M30) After Complete Overhaul

10.6 liters

11.2 quarts

• 4L80-E Auto (MT1)

7.3 liters

7.7 quarts

• 4L80-E Auto (MT1) After Complete Overhaul

12.8 liters

13.5 quarts

• 5-Spd. Auto Allison (M74) Fluid and Filter Change

7.0 liters

7.4 quarts

• 5-Spd. Auto Allison (M74) After Complete Overhaul

12.0 liters

12.7 quarts

• New Venture Gear 3500 Manual Transmission

2.3 liters

2.4 quarts

• New Venture Gear 4500 Manual Transmission

3.8 liters

4.0 quarts

• 6-Spd. Manual (ZF) (ML6)

6.0 liters

6.3 quarts

* Engine Fan Driven cooling system

** Electric Cooling Fan system