Cooling System

• Engine Torque below 666 lb ft (LYA, LYB, LYC)

31.8 L

33.6 quarts

• Engine Torque above 835 lb ft (LYD, LQF)

33.1 L

35.0 quarts

Engine Oil with Filter*

22.5 L

23.8 quarts

*Additional oil is required with auxiliary oil filter systems. Make sure to add enough extra oil to fill the auxiliary oil filter system. For vehicles equipped with LUBERFINER 750-C, add 14 quarts (13.2 L).

Fuel Tank

• Standard

189.3 L

50.0 gallons

• Optional

283.9 L

75.0 gallons

• Optional*

378.5 L

100.0 gallons

*Two 50-gallon (189 L) tanks. Not applicable to vehicles with 128 inch or 140 inch wheel base.

Rear Axle - Single Speed

• 15040S

10.0 L

21.0 pints

• 19060S (HPK), 21060S (HPP)

14.7 L

31.0 pints

• 23090S (HPT)

20.1 L

42.5 pints

• 26105S (HPA)

24.1 L

51.0 pints

• S110 (HDS)

1.1 L

15.0 pints

Rear Axle - Tandem

• DS404 (HPE) - front

15.1 L

32.0 pints

• RS404 - rear

15.1 L

32.0 pints

Rear Axle - Two-Speed

• 19060T (HPL) , 21060T (H15)

18.0 L

38.0 pints

• 23080T (H25)

20.8 L

44.0 pints

Transmission Fluid, Automatic

• 2200 Series, 2350 Series, 2500 Series, 2550 Series

19.0 L*

40.0 pints*

• MD 3000, MD3500 with PTO Provision

28.1 L

59.8 pints

• MD 3000, MD3500 without PTO Provision

24.6 L

52.0 pints

*Add 2 pints (1 L) when changing spin-on or remote filter.

See the Allison Automatic Transmission Operator's Manual for fluid check and maintenance information.

Transmission Fluid, Manual

• FS5406; FS6406

9.2 L

19.5 pints

• RT8709B

12.3 L

26.0 pints

• RT8908LL

13.2 L

28.0 pints