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Our Recommendation

Make
CATERPILLAR
Model
771D (Rigid Dump Trucks)
Engine
DT
Application
Recommendation
Capacity (ltr)
Engine (DT)
  (a, b, c, d, e, f, g)
50.0
Transmission
VERKOL SAE 30 TO-4 (h, i, j, k, l)
95.0
Differential
VERKOL SAE 50 TO-4 (m, n, o)
48.0
Final Drives (each)
VERKOL SAE 50 TO-4 (p, q, r)
15.0
Coolant
 
120
Hydraulics
VESTA 10w HD (s, t, u, v, w)
Front Wheel Bearings
VERKOL SAE 50 TO-4 (x, y, z)
2.5
Hoist & Brake System
VERKOL SAE 10w TO-4 (ba, bb, bc)
227
Steering Hydraulics
VERKOL SAE 10w TO-4 (bd, be, bf, bg, bh, bi)
50.0

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, -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.
Alternative recommendations, Torque Converter & Transmission, -40°C to 30°C: TF CAT TO4 0W-30
i.
Alternative recommendations, Torque Converter & Transmission, -40°C to -20°C: TF CAT TO4 0W-20
j.
Alternative recommendations, Torque Converter & Transmission, -30°C to 30°C: TF CAT TO4 5W-30
k.
Alternative recommendations, Torque Converter & Transmission, -20°C to 20°C: VERKOL SAE 10w TO-4
l.
Alternative recommendations, Torque Converter & Transmission, 10°C to 50°C: VERKOL SAE 30 TO-4
m.
Differential, Front Wheels & Final Drives & <32°C
n.
Alternative recommendations, Differential, Front Wheels & Final Drives, <50°C: TF CAT TO4 60
o.
Alternative recommendations: TF CAT TO4 60
p.
Differential, Front Wheels & Final Drives & <32°C
q.
Alternative recommendations, Differential, Front Wheels & Final Drives, <50°C: TF CAT TO4 60
r.
Alternative recommendations: 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.
Differential, Front Wheels & Final Drives & <32°C
y.
Alternative recommendations, Differential, Front Wheels & Final Drives, <50°C: TF CAT TO4 60
z.
Alternative recommendations: TF CAT TO4 60
ba.
-20°C to 50°C
bb.
Alternative recommendations, -40°C to 40°C: TF CAT TDTOS 0W-20
bc.
Alternative recommendations, -20°C to 50°C: TF CAT TDTO 10W
bd.
Alternative recommendations, -40°C to 40°C: TF CAT TO4 0W-30
be.
Alternative recommendations, -40°C to 10°C: TF CAT TO4 0W-20
bf.
Alternative recommendations, -30°C to 40°C: TF CAT TO4 5W-30; TF CAT TO4 5W-40
bg.
Alternative recommendations, -20°C to 40°C: VERKOL SAE 10w TO-4; TF CAT TO4 10W-30
bh.
Alternative recommendations, -15°C to 50°C: TF CAT TO4 15W-40
bi.
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
Months Max
24
Hours Max
2000
Hydraulics
Months Max
18
Hours Max
3000
Hoist & Brake System
Hours Max
2000
Steering Hydraulics
Hours Max
1000