Our Recommendation

Make
CATERPILLAR
Model
777C (Rigid Dump Trucks)
Engine
D / DT
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Application
Recommendation
Capacity (ltr)
Engine (D / DT)
  (a, b, c, d, e, f, g)
91.0
Transmission
VERKOL SAE 30 TO-4 (h, i, j, k, l, m)
95.0
Coolant
 
221
Hydraulics (Hoist Converter & Brakes)
VERKOL SAE 10w TO-4 (n, o, p)
250
Differentials & Final Drives (each)
VERKOL SAE 50 TO-4 (q, r, s, t, u, v)
314
Front Wheels (each)
VERKOL SAE 50 TO-4 (w, x, y, z, ba, bb)
4.7
Steering Hydraulics
VERKOPLUS 10w30 MSA (bc, bd, be, bf, bg, bh, bi)
83.0

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.
Alternative recommendations, -25°C to 10°C: EO CAT ECF-1 5W-20
c.
Alternative recommendations, -20°C to 40°C: EO CAT ECF-1 10W-30
d.
Alternative recommendations, -20°C to 10°C: EO CAT ECF-1 10W
e.
Alternative recommendations, -15°C to 50°C: EO CAT ECF-1 15W-40
f.
Alternative recommendations, 0°C to 40°C: EO CAT ECF-1 30
g.
Alternative recommendations, 5°C to 50°C: EO CAT ECF-1 40
h.
Alternative recommendations, Transmission & Transfer Drive Hitch System, -40°C to 20°C: TF CAT TO4 0W-30
i.
Alternative recommendations, Transmission & Transfer Drive Hitch System, -40°C to 10°C: TF CAT TO4 0W-20
j.
Alternative recommendations, Transmission & Transfer Drive Hitch System, -30°C to 20°C: TF CAT TO4 5W-30
k.
Alternative recommendations, Transmission & Transfer Drive Hitch System, -20°C to 10°C: VERKOL SAE 10w TO-4
l.
Alternative recommendations, Transmission & Transfer Drive Hitch System, 0°C to 35°C: VERKOL SAE 30 TO-4
m.
Alternative recommendations, Transmission & Transfer Drive Hitch System, 10°C to 50°C: VERKOL SAE 50 TO-4
n.
-20°C to 50°C
o.
Alternative recommendations, -40°C to 40°C: TF CAT TDTOS 0W-20
p.
Alternative recommendations, -20°C to 50°C: TF CAT TDTO 10W
q.
Alternative recommendations, Differential, Final Drives & Wheel Bearings, -40°C to 0°C: TF CAT TO4 0W-30
r.
Alternative recommendations, Differential, Final Drives & Wheel Bearings, -40°C to -10°C: TF CAT TO4 0W-20
s.
Alternative recommendations, Differential, Final Drives & Wheel Bearings, -35°C to 10°C: VERKOL SAE 10w TO-4
t.
Alternative recommendations, Differential, Final Drives & Wheel Bearings, -30°C to -10°C: TF CAT TO4 5W-20
u.
Alternative recommendations, Differential, Final Drives & Wheel Bearings, -25°C to 15°C: VERKOL SAE 30 TO-4
v.
Alternative recommendations, Differential, Final Drives & Wheel Bearings, -15°C to 50°C: VERKOL SAE 50 TO-4
w.
Alternative recommendations, Differential, Final Drives & Wheel Bearings, -40°C to 0°C: TF CAT TO4 0W-30
x.
Alternative recommendations, Differential, Final Drives & Wheel Bearings, -40°C to -10°C: TF CAT TO4 0W-20
y.
Alternative recommendations, Differential, Final Drives & Wheel Bearings, -35°C to 10°C: VERKOL SAE 10w TO-4
z.
Alternative recommendations, Differential, Final Drives & Wheel Bearings, -30°C to -10°C: TF CAT TO4 5W-20
ba.
Alternative recommendations, Differential, Final Drives & Wheel Bearings, -25°C to 15°C: VERKOL SAE 30 TO-4
bb.
Alternative recommendations, Differential, Final Drives & Wheel Bearings, -15°C to 50°C: VERKOL SAE 50 TO-4
bc.
-20°C to 50°C
bd.
Alternative recommendations: CF-4 10W
be.
Alternative recommendations, -40°C to 40°C: CF-4 0W-20; CF-4 0W-30
bf.
Alternative recommendations, -30°C to 40°C: CF-4 5W-20
bg.
Alternative recommendations, -25°C to 40°C: CF-4 10W
bh.
Alternative recommendations, -25°C to 10°C: CF-4 5W-20
bi.
Alternative recommendations, -15°C to 50°C: VERKOAGRI STOU 15w40 / MAXIDIESEL 15w40 SHPD

General Notes

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Oil Change Intervals

Engine (D / DT)
Hours Max
250
Transmission
Hours Max
1000
Coolant
Months Max
24
Hours Max
2000
Hydraulics (Hoist Converter & Brakes)
Hours Max
2000
Differentials & Final Drives (each)
Hours Max
2000
Front Wheels (each)
Months Max
3
Hours Max
500