Q8 T 800 10W-30 is recommended for your KOMATSU GD 521A

Make: KOMATSU
Model: GD 521A (GD Series Motor Grader)
Engine: DT

Application	Recommendation		Capacity (ltr)
Engine (DT)	1	Q8 T 800 10W-30 (b, c, d, e, f, g, h, i, j)	24.0 / 22.0 (a)
	2	Q8 T 1000 (D) 10W-30
	3	Q8 Terra 1000 STOU 10W-30
Transmission	1	Q8 T 750 SAE 30 (k, l, m, n, o)	42.0 / 34.0 (a)
	2	Q8 TO-4 Fluid 30
	3	Q8 Terra TO-4 SAE 30
Final Drives (each)	1	Q8 T 750 SAE 30 (p)	24.0
	2	Q8 TO-4 Fluid 30
	3	Q8 Terra TO-4 SAE 30
Hydraulics	Q8 T 750 SAE 10W (q)		68.0 / 30.0 (a)
Brake(s)	1	Q8 Brake Fluid DOT 5.1 LV (r)	0.8
	2	Q8 Brake Fluid DOT 4 LV
	3	Q8 Brake Fluid DOT 4+
Circle Reverse Gearbox	1	Q8 Trans XGS 75W-90 (s)	4.0
	2	Q8 Gear Oil XG 80W-90
	3	Q8 T 40 75W-90
Tandem Drive Case (each)	1	Q8 T 750 SAE 30 (t)	45.0 / 39.0 (a)
	2	Q8 TO-4 Fluid 30
	3	Q8 Terra TO-4 SAE 30

General Notes

There are no notes to display for this model

Lubricant / Capacity Notes

a.: Initial/Refill
b.: -15°C to 40°C: Q8 T 520 15W-40 / Q8 T 750 15W-40 / Q8 T 800 10W-40
c.: -20°C to 40°C: Q8 T 800 10W-30 / Q8 T 1000 (D) 10W-30 / Q8 Terra 1000 STOU 10W-30
d.: -20°C to 10°C: Q8 T 750 SAE 10W
e.: 0°C to 40°C: Q8 T 750 SAE 30
f.: Alternative recommendations: Q8 T 800 10W-30 / Q8 T 1000 (D) 10W-30 / Q8 Terra 1000 STOU 10W-30
g.: Alternative recommendations, -20°C to 40°C: Q8 T 800 10W-30 / Q8 T 1000 (D) 10W-30 / Q8 Terra 1000 STOU 10W-30
h.: Alternative recommendations, -20°C to 10°C: Q8 T 750 SAE 10W
i.: Alternative recommendations, -15°C to 40°C: Q8 T 520 15W-40 / Q8 T 750 15W-40 / Q8 T 800 10W-40
j.: Alternative recommendations, 0°C to 40°C: Q8 T 750 SAE 30
k.: -20°C to 10°C: Q8 T 750 SAE 10W
l.: 0°C to 40°C: Q8 T 750 SAE 30 / Q8 TO-4 Fluid 30 / Q8 Terra TO-4 SAE 30
m.: Alternative recommendations: Q8 T 750 SAE 30 / Q8 TO-4 Fluid 30 / Q8 Terra TO-4 SAE 30
n.: Alternative recommendations, -20°C to 10°C: Q8 T 750 SAE 10W
o.: Alternative recommendations, 0°C to 40°C: Q8 T 750 SAE 30 / Q8 TO-4 Fluid 30 / Q8 Terra TO-4 SAE 30
p.: Alternative recommendations: Q8 T 750 SAE 30 / Q8 TO-4 Fluid 30 / Q8 Terra TO-4 SAE 30
q.: Alternative recommendations: Q8 T 750 SAE 10W
r.: Alternative recommendations: Q8 Brake Fluid DOT 5.1 LV / Q8 Brake Fluid DOT 4 LV / Q8 Brake Fluid DOT 4+
s.: Alternative recommendations: Q8 Trans XGS 75W-90 / Q8 Gear Oil XG 80W-90 / Q8 T 40 75W-90
t.: Alternative recommendations: Q8 T 750 SAE 30 / Q8 TO-4 Fluid 30 / Q8 Terra TO-4 SAE 30

Oil Change Intervals

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