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Our Recommendation

Make
CATERPILLAR
Model
631K (S/N WT600001 - Up) (Tractor Scrapers)
Engine
DT
Year
2017-
Application
Recommendation
Capacity (ltr)
Engine (DT) (Cat C18)
  (a, b)
52.0
Transmission
VERKOL SAE 30 TO-4 (c, d, e, f, g)
110
Differential
1
VERKOL GT-8/80w90 EP (h, i, j)
153
2
SALDUBA 80w90 LS
3
VERKOL GT-7/80w90 EP
Final Drive (each)
1
VERKOL GT-8/80w90 EP (k, l, m)
9.0
2
SALDUBA 80w90 LS
3
VERKOL GT-7/80w90 EP
Coolant
  (n)
71.0
Hydraulics
VESTA 10w HD (o, p, q, r, s)
142
Grease Points
1
QUAKERTEK VERKOMAX FGM 2 (t)
2
QUAKERTEK VERKOMAX R 250
3
QUAKERTEK VERKOMAX SG 2
Grease Points (Engine Fan Drive Bearings)
 
Air Conditioning Compressor (R-134a)
 
0.317
Scraper Wheel Bearings (non-driven)
VERKOL SAE 50 TO-4 (u, v, w, x)
33.0

General Notes

There are no notes to display for this model

Lubricant / Capacity Notes

a.
-10°C to 50°C
b.
Alternative recommendations, -18°C to 40°C: EO CAT DEO-ULS 10W-30
c.
0°C to 35°C
d.
Alternative recommendations, -20°C to 43°C: TF CAT TDTO TMS
e.
Alternative recommendations, -20°C to 10°C: TF CAT TDTO 10W
f.
Alternative recommendations, 0°C to 35°C: VERKOL SAE 30 TO-4
g.
Alternative recommendations, 10°C to 50°C: VERKOL SAE 50 TO-4
h.
-20°C to 40°C
i.
Alternative recommendations, -30°C to 45°C: GL-5S 75W-140
j.
Alternative recommendations, -10°C to 50°C: VERKOL GT-7/85w140 EP
k.
-20°C to 40°C
l.
Alternative recommendations, -30°C to 45°C: GL-5S 75W-140
m.
Alternative recommendations, -10°C to 50°C: VERKOL GT-7/85w140 EP
n.
Mix ratio, 50% >-37°C
o.
-20°C to 40°C
p.
Alternative recommendations, -20°C to 40°C: VERKOPLUS 10w30 MSA
q.
Alternative recommendations, -15°C to 50°C: TF CAT TDTO TMS
r.
Alternative recommendations, -5°C to 45°C: HY CAT HYDO 20W
s.
Alternative recommendations, 0°C to 50°C: HY CAT HYDO 30
t.
Alternative recommendations: QUAKERTEK ATLANTA 2 / QUAKERTEK VERKOMAX R 250 / QUAKERTEK MOLYVERKOL 2
u.
-15°C to 32°C
v.
Alternative recommendations, -15°C to 50°C: GO CAT FDAO SYN
w.
Alternative recommendations, -15°C to 32°C: GO CAT FD1 50
x.
Alternative recommendations, -7°C to 50°C: GO CAT FD1 60; TF CAT TDTO 60

Oil Change Intervals

Engine (DT) (Cat C18)
Months Max
3
Hours Max
500
Transmission
Months Max
6
Hours Max
1000
Differential
Months Max
12
Hours Max
2000
Final Drive (each)
Months Max
12
Hours Max
2000
Coolant
Months Min
36
Months Max
72
Hours Min
6000
Hours Max
12000
Hydraulics
Months Max
18
Hours Max
3000
Scraper Wheel Bearings (non-driven)
Months Max
12
Hours Max
2000