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Our Recommendation

Make
CATERPILLAR
Model
777 (Rigid Dump Trucks)
Engine
DT
Application
Recommendation
Capacity (ltr)
Engine (DT)
  (a, b, c, d, e)
71.0
Transmission
VERKOL SAE 10w TO-4
81.0
Coolant
 
221
Hydraulics
VESTA 10w HD (f, g, h, i, j)
Cooling System - Aftercooler
 
66.0
Differential & Final Drives
1
SALDUBA 80w90 LS (k, l)
314
2
VERKOL GT-7 SAE-90 EP
Front Wheels (each)
1
SALDUBA 80w90 LS (m, n)
7.9
2
VERKOL GT-7 SAE-90 EP
Hoist, Converter & Brake Hydraulic Tank
VERKOL SAE 10w TO-4 (o, p, q)
220
Steering Hydraulics
 
83.0
Suspension Cylinders
VESTA 10w HD

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.
Alternative recommendations, >-10°C: EO CAT ECF-1 20W-40
c.
Alternative recommendations, <0°C: EO CAT ECF-1 10W
d.
Alternative recommendations, >0°C: EO CAT ECF-1 30
e.
Alternative recommendations, >26°C: EO CAT ECF-1 40
f.
-20°C to 40°C
g.
Alternative recommendations, -20°C to 40°C: TF CAT TDTO 10W; VERKOPLUS 10w30 MSA
h.
Alternative recommendations, -15°C to 50°C: TF CAT TDTO TMS
i.
Alternative recommendations, -5°C to 45°C: HY CAT HYDO 20W
j.
Alternative recommendations, 0°C to 50°C: HY CAT HYDO 30
k.
Alternative recommendations, Differential, Final Drives & Wheel Bearings, <0°C: GL-5 80W
l.
Alternative recommendations, Differential, Final Drives & Wheel Bearings, >0°C: SALDUBA 80w90 LS / VERKOL GT-7 SAE-90 EP
m.
Alternative recommendations, Differential, Final Drives & Wheel Bearings, <0°C: GL-5 80W
n.
Alternative recommendations, Differential, Final Drives & Wheel Bearings, >0°C: SALDUBA 80w90 LS / VERKOL GT-7 SAE-90 EP
o.
-20°C to 50°C
p.
Alternative recommendations, -40°C to 40°C: TF CAT TDTOS 0W-20
q.
Alternative recommendations, -20°C to 50°C: TF CAT TDTO 10W

Oil Change Intervals

Engine (DT)
Hours Max
250
Transmission
Hours Max
1000
Coolant
Months Max
24
Hours Max
2000
Hydraulics
Months Max
18
Hours Max
3000
Cooling System - Aftercooler
Months Max
24
Hours Max
2000
Differential & Final Drives
Hours Max
2000
Front Wheels (each)
Months Max
3
Hours Max
500
Hoist, Converter & Brake Hydraulic Tank
Hours Max
2000
Steering Hydraulics
Hours Max
1000