Our Recommendation

Make
CATERPILLAR
Model
938G Series II (Wheeled Loaders)
Engine
D / DT
New Search Print
Application
Recommendation
Capacity (ltr)
Engine (D / DT)
  (a)
30.0
Transmission
VERKOL SAE 30 TO-4
30.0
Coolant
 
43.0
Hydraulics (Reservoir/System)
VESTA 10w HD (b, c, d, e, f, g)
76.0 / 91.0
Front Differential & Final Drive
VERKOL SAE 30 TO-4 (h, i, j)
24.0
Rear Differential & Reduction Hubs
VERKOL SAE 30 TO-4 (k, l, m)
27.0

Lubricant / Capacity Notes

a.
Caterpillar list API CH-4 and API CI-4 as preferred oils and API CG-4 as an acceptable alternative. These oils must meet Caterpillar's ECF-1 specification to avoid reduced engine life. API CF-4 should not be used in Caterpillar diesel engines
b.
Caterpillar list API CG-4, API CF and CAT TO-4 as alternative specifications. These oils must have a minimum zinc content of 900 ppm
c.
-20°C to 40°C
d.
Alternative recommendations, -20°C to 40°C: TF CAT TDTO 10W; VERKOPLUS 10w30 MSA
e.
Alternative recommendations, -15°C to 50°C: TF CAT TDTO TMS
f.
Alternative recommendations, -5°C to 45°C: HY CAT HYDO 20W
g.
Alternative recommendations, 0°C to 50°C: HY CAT HYDO 30
h.
Alternative recommendations, -25°C to 15°C: VERKOL SAE 10w TO-4
i.
Alternative recommendations, -20°C to 43°C: VERKOL SAE 30 TO-4
j.
Alternative recommendations, 10°C to 50°C: VERKOL SAE 50 TO-4
k.
Alternative recommendations, -25°C to 15°C: VERKOL SAE 10w TO-4
l.
Alternative recommendations, -20°C to 43°C: VERKOL SAE 30 TO-4
m.
Alternative recommendations, 10°C to 50°C: VERKOL SAE 50 TO-4

General Notes

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Oil Change Intervals

Engine (D / DT)
Hours Max
250
Transmission
Months Max
6
Hours Max
1000
Coolant
Months Max
12
Hours Max
2000
Hydraulics (Reservoir/System)
Months Max
18
Hours Max
3000
Front Differential & Final Drive
Months Max
5
Hours Max
1000
Rear Differential & Reduction Hubs
Months Max
5
Hours Max
1000