Our Recommendation

Make
CATERPILLAR
Model
637E Series II
Engine
DT
New Search Print
Application
Recommendation
Capacity (ltr)
Engine (DT)
  (b, c, d, e, f, g)
45.0 / 27.0 (a)
Transmission
VERKOL SAE 30 TO-4 (h)
114 / 49.0 (a)
Differential
VERKOL GT-7/85w140 EP
136 / 17.0 (a)
Final Drives (each)
VERKOL GT-7/85w140 EP (i)
46.0 / 45.0 (a)
Coolant
 
133 / 76.0 (a)
Hydraulics
VESTA 10w HD (j, k, l, m, n, o)
190
Wheel Coolant (each)
  (p)
76.0

Lubricant / Capacity Notes

a.
Tractor/scraper
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.
-15°C to 50°C
d.
Alternative recommendations, -40°C to 10°C: EO CAT ECF-1 0W-20
e.
Alternative recommendations, -30°C to 40°C: EO CAT ECF-1 5W-40
f.
Alternative recommendations, -30°C to 30°C: EO CAT ECF-1 5W-30
g.
Alternative recommendations, -20°C to 40°C: EO CAT ECF-1 10W-30
h.
Transmission oil viscosity options: -30°C to 10°C, 5W-20 (special synthetic oils 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
i.
Final drives, differential and wheel bearing oil viscosity options: -30°C to 40°C, 75W-90 (special synthetic oils without VI improvers); -20°C to 0°C, 80W; -20°C to 40°C, 80W-90, -10°C to 50°C, 85W-140; 0°C to 40°C, 90
j.
Hydraulic oil viscosity options: -40°C to 40°C, 0W-20 or 0W-30; -30°C to 40°C, 5W-40; -20°C to 40°C, 10W or 10W-30; 10°C to 50°C, 30; -15°C to 50°C, 15W-40
k.
-20°C to 40°C
l.
Alternative recommendations, -20°C to 40°C: VERKOPLUS 10w30 MSA
m.
Alternative recommendations, -15°C to 50°C: TF CAT TDTO TMS
n.
Alternative recommendations, -5°C to 45°C: HY CAT HYDO 20W
o.
Alternative recommendations, 0°C to 50°C: HY CAT HYDO 30
p.
Mix ratio, 20%

General Notes

There are no notes to display for this model

Oil Change Intervals

Engine (DT)
Months Max
3
Hours Max
250
Transmission
Months Max
6
Hours Max
1000
Differential
Months Max
12
Hours Max
2000
Final Drives (each)
Months Max
12
Hours Max
2000
Coolant
Months Max
24
Hours Max
2000
Hydraulics
Months Max
18
Hours Max
3000