Our Recommendation

Make
CATERPILLAR
Model
785C (Rigid Dump Trucks)
Engine
DT
New Search Print
Application
Recommendation
Capacity (ltr)
Engine (DT)
  (a, b, c, d, e)
204
Transmission
VERKOL SAE 50 TO-4 (g, h, i, j, k)
248 / 83.0 (f)
Differentials
VERKOL SAE 50 TO-4 (l, m)
379
Final Drives (each)
VERKOL SAE 50 TO-4 (n, o)
74.0
Coolant
 
390
Front Wheel Bearings
VERKOL SAE 50 TO-4 (p, q)
14.0
Hoist & Brake System
VERKOL SAE 10w TO-4 (r, s, t)
641 / 421 (f)
Steering Hydraulics
VERKOL SAE 10w TO-4 (u, v, w, x, y, z)
117 / 91.0 (f)

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.
-15°C to 50°C
c.
Alternative recommendations, -40°C to 30°C: EO CAT ECF-1 0W-30
d.
Alternative recommendations, -30°C to 40°C: EO CAT ECF-1 5W-40
e.
Alternative recommendations, -20°C to 40°C: EO CAT ECF-1 10W-30
f.
System / Reservoir
g.
10°C to 50°C
h.
Alternative recommendations, -40°C to 20°C: TF CAT TO4 0W-30
i.
Alternative recommendations, -30°C to 20°C: TF CAT TO4 5W-30
j.
Alternative recommendations, -20°C to 10°C: VERKOL SAE 10w TO-4
k.
Alternative recommendations, 0°C to 35°C: VERKOL SAE 30 TO-4
l.
<32°C
m.
Alternative recommendations, <50°C: TF CAT TO4 60
n.
<32°C
o.
Alternative recommendations, <50°C: TF CAT TO4 60
p.
<32°C
q.
Alternative recommendations, <50°C: TF CAT TO4 60
r.
-20°C to 50°C
s.
Alternative recommendations, -40°C to 40°C: TF CAT TDTOS 0W-20
t.
Alternative recommendations, -20°C to 50°C: TF CAT TDTO 10W
u.
-20°C to 40°C
v.
Alternative recommendations, -40°C to 40°C: TF CAT TO4 0W-30
w.
Alternative recommendations, -30°C to 40°C: TF CAT TO4 5W-40
x.
Alternative recommendations, -20°C to 40°C: TF CAT TO4 10W-30
y.
Alternative recommendations, -15°C to 50°C: TF CAT TO4 15W-40
z.
Alternative recommendations, 10°C to 50°C: VERKOL SAE 30 TO-4

General Notes

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Oil Change Intervals

Engine (DT)
Hours Max
250
Transmission
Hours Max
1000
Coolant
Months Max
24
Hours Max
2000
Hoist & Brake System
Hours Max
2000
Steering Hydraulics
Hours Max
1000