Q8 T 800 10W-30 is recommended for your KOMATSU GD 650AW-2

Application	Recommendation		Capacity (ltr)
Engine (DT) (Komatsu S6D114E-1)	1	Q8 T 800 10W-30 (a)
	2	Q8 T 1000 (D) 10W-30
	3	Q8 Terra 1000 STOU 10W-30
Transmission	1	Q8 T 750 SAE 30 (b, c, d, e, f)	26.0
	2	Q8 TO-4 Fluid 30
	3	Q8 Terra TO-4 SAE 30
Final Drives (each)	1	Q8 T 750 SAE 30 (g)
	2	Q8 TO-4 Fluid 30
	3	Q8 Terra TO-4 SAE 30
Coolant	1	Q8 Antifreeze Lobrid EC-1 Premixed (h)
	2	Q8 Antifreeze Lobrid Premixed
	3	Q8 Antifreeze Long Life Premixed
Hydraulics	Q8 T 750 SAE 10W (i)		98.0
Circle Reverse Gearbox	1	Q8 Trans XGS 75W-90 (j)
	2	Q8 Gear Oil XG 80W-90
	3	Q8 T 40 75W-90
Front Axle Housing	1	Q8 T 750 SAE 30 (k)
	2	Q8 TO-4 Fluid 30
	3	Q8 Terra TO-4 SAE 30
Tandem Drive Case (each)	1	Q8 T 750 SAE 30 (l)	30.2
	2	Q8 TO-4 Fluid 30
	3	Q8 Terra TO-4 SAE 30

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a.: Alternative recommendations: Q8 T 800 10W-30 / Q8 T 1000 (D) 10W-30 / Q8 Terra 1000 STOU 10W-30
b.: -20°C to 10°C: Q8 T 750 SAE 10W
c.: 0°C to 40°C: Q8 T 750 SAE 30 / Q8 TO-4 Fluid 30 / Q8 Terra TO-4 SAE 30
d.: Alternative recommendations: Q8 T 750 SAE 30 / Q8 TO-4 Fluid 30 / Q8 Terra TO-4 SAE 30
e.: Alternative recommendations, -20°C to 10°C: Q8 T 750 SAE 10W
f.: Alternative recommendations, 0°C to 40°C: Q8 T 750 SAE 30 / Q8 TO-4 Fluid 30 / Q8 Terra TO-4 SAE 30
g.: Alternative recommendations: Q8 T 750 SAE 30 / Q8 TO-4 Fluid 30 / Q8 Terra TO-4 SAE 30
h.: Alternative recommendations: Q8 Antifreeze Lobrid EC-1 Premixed / Q8 Antifreeze Lobrid Premixed / Q8 Antifreeze Long Life Premixed
i.: Alternative recommendations: Q8 T 750 SAE 10W
j.: Alternative recommendations: Q8 Trans XGS 75W-90 / Q8 Gear Oil XG 80W-90 / Q8 T 40 75W-90
k.: Alternative recommendations: Q8 T 750 SAE 30 / Q8 TO-4 Fluid 30 / Q8 Terra TO-4 SAE 30
l.: Alternative recommendations: Q8 T 750 SAE 30 / Q8 TO-4 Fluid 30 / Q8 Terra TO-4 SAE 30

There is no Oil Change Interval data to display for this model