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Our Recommendation

Make
CATERPILLAR
Model
777D (Rigid Dump Trucks)
Engine
DT
Application
Recommendation
Capacity (ltr)
Engine (DT)
  (a, b, c)
91.0
Transmission
VERKOL SAE 30 TO-4 (d, e, f)
246
Differential
VERKOL SAE 50 TO-4 (g, h, i)
222
Final Drives (each)
VERKOL SAE 50 TO-4 (j, k, l)
42.0
Coolant
  (m)
268
Hydraulics
VESTA 10w HD (n, o, p, q, r)
Front Wheel Bearings
VERKOL SAE 50 TO-4 (s, t)
7.5
Hoist & Brake System
VERKOL SAE 10w TO-4 (u, v, w)
504
Steering Hydraulics
VERKOL SAE 10w TO-4 (x, y)
110

General Notes

There are no notes to display for this model

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, -20°C to 40°C: EO CAT ECF-1 10W-30
d.
0°C to 35°C
e.
Alternative recommendations, -20°C to 10°C: VERKOL SAE 10w TO-4
f.
Alternative recommendations, 10°C to 50°C: VERKOL SAE 50 TO-4
g.
<32°C
h.
Alternative recommendations, Differential, Front Wheels & Final Drives, <50°C: TF CAT TO4 60
i.
Alternative recommendations: TF CAT TO4 60
j.
<32°C
k.
Alternative recommendations, Differential, Front Wheels & Final Drives, <50°C: TF CAT TO4 60
l.
Alternative recommendations: TF CAT TO4 60
m.
Mix ratio, 50% >-37°C
n.
-20°C to 40°C
o.
Alternative recommendations, -20°C to 40°C: TF CAT TDTO 10W; VERKOPLUS 10w30 MSA
p.
Alternative recommendations, -15°C to 50°C: TF CAT TDTO TMS
q.
Alternative recommendations, -5°C to 45°C: HY CAT HYDO 20W
r.
Alternative recommendations, 0°C to 50°C: HY CAT HYDO 30
s.
Differential, Front Wheels & Final Drives & <32°C
t.
Alternative recommendations, <50°C: TF CAT TO4 60
u.
-20°C to 50°C
v.
Alternative recommendations, -40°C to 40°C: TF CAT TDTOS 0W-20
w.
Alternative recommendations, -20°C to 50°C: TF CAT TDTO 10W
x.
-20°C to 40°C
y.
Alternative recommendations, 10°C to 50°C: VERKOL SAE 30 TO-4

Oil Change Intervals

Engine (DT)
Hours Max
250
Transmission
Hours Max
1000
Coolant
Hours Max
3000
Hydraulics
Months Max
18
Hours Max
3000
Hoist & Brake System
Hours Max
2000
Steering Hydraulics
Hours Max
1000