Our Recommendation

Make
CATERPILLAR
Model
Challenger 75
Engine
D / DT
Year
1988-1992
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Application
Recommendation
Capacity (ltr)
Engine (D / DT)
  (a, b, c)
26.0
Transmission
VERKOL SAE 30 TO-4 (d)
67.0
Coolant
  (e)
57.0
Brakes (4CJ1-435)
 
3.0
Brakes (4CJ436 -)
VESTA TD 2
3.0
Hydraulics
1
VERKOAGRI STOU 15w40 (f, h, i, j)
35.0 / 61.0 (g)
2
VERKOL TDI 15w40
3
MAXIDIESEL 15w40 SHPD
Differential & Final Drives
VERKOL SAE 50 TO-4 (k)
189
Front Idler Hubs
VERKOL SAE 50 TO-4

Lubricant / Capacity Notes

a.
Viscosity options: -40°C to 30°C, 0W-30 (without VI improvers); -40°C to 10°C, 0W-20 (without VI improvers); -30°C to 10°C, 5W-20 (without VI improvers); -20°C to 10°C, 10W; -20°C to 40°C, 10W-30; -15°C to 50°C, 15W-40; 0°C to 40°C, 30; 5°C to 50°C, 40
b.
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
c.
Alternative recommendations, -20°C to 40°C: EO CAT ECF-1 10W-30
d.
Viscosity options: -30°C to 10°C, 5W-20 (without VI improvers); -20°C to 10°C, 10W; 0°C to 35°C, 30; 5°C to 45°C, 40; 10°C to 50°C, 50
e.
Mix ratio, 50%
f.
Viscosity options: -30°C to 40°C, 5W-20 (without VI improvers); -25°C to 10°C, 5W-20; -20°C to 40°C, 10W or 10W-30; -15°C to 50°C, 15W-40; 10°C to 50°C, 30
g.
Steering hydraulic tank/implement hydraulic tank
h.
Hydraulics/hydrostatic system
i.
Alternative recommendations, Hydraulics/hydrostatic system: CF 10W-30
j.
Alternative recommendations: CF 10W
k.
Viscosity options: -30°C to 0°C, 5W-20 (without VI improvers) or 10W; -20°C to 25°C, 30; -10°C to 40°C, 40; 0°C to 50°C, 50

General Notes

There are no notes to display for this model

Oil Change Intervals

Engine (D / DT)
Hours Max
250
Transmission
Hours Max
1000
Coolant
Hours Max
3000
Brakes (4CJ1-435)
Months Max
24
Brakes (4CJ436 -)
Months Max
24
Differential & Final Drives
Hours Max
1200