Our Recommendation

Make
CATERPILLAR
Model
785B (Rigid Dump Trucks)
Engine
DT
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Application
Recommendation
Capacity (ltr)
Engine (DT)
  (a, b, c, d, e, f, g)
159
Transmission
VERKOL SAE 30 TO-4 (i, j, k, l, m, n)
248 / 83.0 (h)
Differentials
VERKOL SAE 50 TO-4 (o, p)
379
Final Drives (each)
VERKOL SAE 50 TO-4 (q, r)
74.0
Coolant
 
379
Hydraulics
VESTA 10w HD (s, t, u, v, w)
Front Wheels (each)
VERKOL SAE 50 TO-4 (x, y)
14.0
Hoist, Convertor & Brake Hydraulics
VERKOL SAE 10w TO-4 (z, ba, bb)
641 / 421 (h)
Steering Hydraulics
VERKOPLUS 10w30 MSA (bc, bd, be, bf, bg, bh)
117 / 91.0 (h)

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.
Alternative recommendations, -40°C to 30°C: EO CAT ECF-1 0W-30
c.
Alternative recommendations, -40°C to 10°C: EO CAT ECF-1 0W-20
d.
Alternative recommendations, -30°C to 40°C: EO CAT ECF-1 5W-40
e.
Alternative recommendations, -30°C to 30°C: EO CAT ECF-1 5W-30
f.
Alternative recommendations, -20°C to 40°C: EO CAT ECF-1 10W-30
g.
Alternative recommendations, -15°C to 50°C: EO CAT ECF-1 15W-40
h.
System / Reservoir
i.
Alternative recommendations, Transmission & Transfer Drive Hitch System, -40°C to 20°C: TF CAT TO4 0W-30
j.
Alternative recommendations, Transmission & Transfer Drive Hitch System, -40°C to 10°C: TF CAT TO4 0W-20
k.
Alternative recommendations, Transmission & Transfer Drive Hitch System, -30°C to 20°C: TF CAT TO4 5W-30
l.
Alternative recommendations, Transmission & Transfer Drive Hitch System, -20°C to 10°C: VERKOL SAE 10w TO-4
m.
Alternative recommendations, Transmission & Transfer Drive Hitch System, 0°C to 35°C: VERKOL SAE 30 TO-4
n.
Alternative recommendations, Transmission & Transfer Drive Hitch System, 10°C to 50°C: VERKOL SAE 50 TO-4
o.
Alternative recommendations, Differential, Front Wheels & Final Drives, <32°C: VERKOL SAE 50 TO-4
p.
Alternative recommendations, Differential, Front Wheels & Final Drives, <50°C: TF CAT TO4 60
q.
Alternative recommendations, Differential, Front Wheels & Final Drives, <32°C: VERKOL SAE 50 TO-4
r.
Alternative recommendations, Differential, Front Wheels & Final Drives, <50°C: TF CAT TO4 60
s.
-20°C to 40°C
t.
Alternative recommendations, -20°C to 40°C: TF CAT TDTO 10W; VERKOPLUS 10w30 MSA
u.
Alternative recommendations, -15°C to 50°C: TF CAT TDTO TMS
v.
Alternative recommendations, -5°C to 45°C: HY CAT HYDO 20W
w.
Alternative recommendations, 0°C to 50°C: HY CAT HYDO 30
x.
Alternative recommendations, Differential, Front Wheels & Final Drives, <32°C: VERKOL SAE 50 TO-4
y.
Alternative recommendations, Differential, Front Wheels & Final Drives, <50°C: TF CAT TO4 60
z.
-20°C to 50°C
ba.
Alternative recommendations, -40°C to 40°C: TF CAT TDTOS 0W-20
bb.
Alternative recommendations, -20°C to 50°C: TF CAT TDTO 10W
bc.
Alternative recommendations, -40°C to 40°C: CF-4 0W-30
bd.
Alternative recommendations, -40°C to 10°C: CF-4 0W-20
be.
Alternative recommendations, -30°C to 40°C: CF-4 5W-30; CF-4 5W-40
bf.
Alternative recommendations, -20°C to 40°C: CF-4 10W; VERKOPLUS 10w30 MSA
bg.
Alternative recommendations, -15°C to 50°C: VERKOAGRI STOU 15w40 / MAXIDIESEL 15w40 SHPD
bh.
Alternative recommendations, 10°C to 50°C: CF-4 30

General Notes

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Oil Change Intervals

Engine (DT)
Hours Max
250
Transmission
Hours Max
1000
Differentials
Months Max
12
Hours Max
2000
Final Drives (each)
Hours Max
2000
Coolant
Months Max
24
Hours Max
2000
Hydraulics
Months Max
18
Hours Max
3000
Front Wheels (each)
Months Max
3
Hours Max
500
Hoist, Convertor & Brake Hydraulics
Hours Max
2000
Steering Hydraulics
Hours Max
1000