Model	Engine Oil	Trans Fluid	Differential Oil	Hydraulic Oil	Wheel End
6K 37	15W-40	15W-40	80W-90*	AW 32	75W-90**
6K 42	15W-40	15W-40	80W-90*	AW 32	75W-90**
644 B37	15W-40	15W-40	80W-90*	AW 32	75W-90**
644 B42	15W-40	15W-40	80W-90*	AW 32	75W-90**
8K 42	15W-40	15W-40	80W-90*	AW 32	75W-90**
844 C42	15W-40	15W-40	80W-90*	AW 32	75W-90**
1044 C42	15W-40	15W-40	80W-90*	AW 32	75W-90**
1044 C54	15W-40	15W-40	80W-90*	AW 32	75W-90**
1044 C54 II	15W-40	424	424	424	424
644TT	15W-40	ATF / Dexron III	80W-90*	AW 32	75W-90**
844TT	15W-40	ATF / Dexron III	80W-90*	AW 32	75W-90**
644E	15W-40	424	424	424	424
944E	15W-40	424	424	424	424

Model	Engine Oil	Trans Fluid	Differential Oil	Hydraulic Oil	Wheel End
6036 Old Style	15W-40	AW 32	80W-90*	AW 32	75W-90**
8042 Old Style	15W-40	AW 32	80W-90*	AW 32	75W-90**
10042 Old Style	15W-40	AW 32	80W-90*	AW 32	75W-90**
10054 Old Style	15W-40	AW 32	80W-90*	AW 32	75W-90**
6036 New Style	15W-40	424	424	424	424
8042 New Style	15W-40	424	424	424	424
10042 New Style	15W-40	424	424	424	424
10054 New Style	15W-40	424	424	424	424