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Our Recommendation

Make
CATERPILLAR
Model
D6T XL (Tracked Bulldozers)
Engine
D
Application
Recommendation
Capacity (ltr)
Engine (D) (Caterpillar C9)
  (a, b, c, d)
28.0
Transmission
VERKOL SAE 30 TO-4 (e, f)
148
Coolant
  (g)
70.0
Hydraulics
VESTA 10w HD (h, i, j, k, l)
55.5
Grease Points
1
QUAKERTEK VERKOMAX FGM 2 (m, n, o)
2
QUAKERTEK VERKOMAX R 250
3
QUAKERTEK VERKOMAX SG 2
Bogie Cartridge Pins
VERKOL GT-7/85w140 EP (p, q)
Equalizer Bar End, Pin Joint
VERKOL GT-7/85w140 EP (r, s)
Final Drives (each)
VERKOL SAE 50 TO-4 (t, u, v)
13.5
Pivot Shaft Bearings
VERKOL SAE 50 TO-4 (w, x, y, z)
5.0
Track Pins
VERKOL GT-7/85w140 EP (ba, bb)
Track Roller Frame Recoil Spring (each)
VERKOL SAE 30 TO-4 (bc, bd, be, bf)
25.0
Track Rollers & Idlers
  (bg, bh, bi)
Winch (Hydraulic Drive)
VERKOL SAE 10w TO-4 (bj, bk)
Winch (Mechanical Drive)
VERKOL SAE 10w TO-4 (bl, bm, bn)
67.0

General Notes

There are no notes to display for this model

Lubricant / Capacity Notes

a.
-20°C to 50°C
b.
Alternative recommendations, -40°C to 40°C: CG-4+EO CAT ECF-1 0W-40
c.
Alternative recommendations, -30°C to 50°C: CG-4+EO CAT ECF-1 5W-40
d.
Alternative recommendations, -15°C to 50°C: CG-4+EO CAT ECF-1 15W-40
e.
0°C to 35°C
f.
Alternative recommendations, -20°C to 10°C: TF CAT TDTO 10W
g.
Mix ratio, 50% >-37°C
h.
-20°C to 40°C
i.
Alternative recommendations, -20°C to 40°C: TF CAT TDTO 10W; VERKOPLUS 10w30 MSA
j.
Alternative recommendations, -15°C to 50°C: TF CAT TDTO TMS
k.
Alternative recommendations, -5°C to 45°C: HY CAT HYDO 20W
l.
Alternative recommendations, 0°C to 50°C: HY CAT HYDO 30
m.
-30°C to 50°C
n.
Alternative recommendations, -40°C to 35°C: GrCSC 0
o.
Alternative recommendations, -35°C to 40°C: GrCSC 1
p.
-10°C to 50°C
q.
Alternative recommendations, -30°C to 45°C: GL-5S 75W-140
r.
-10°C to 50°C
s.
Alternative recommendations, -30°C to 45°C: GL-5S 75W-140
t.
-35°C to 15°C
u.
Alternative recommendations, -40°C to 0°C: VERKOL SAE 30 TO-4
v.
Alternative recommendations, -25°C to 50°C: TF CAT TO4 60
w.
0°C to 50°C
x.
Alternative recommendations, -30°C to 0°C: VERKOL SAE 10w TO-4
y.
Alternative recommendations, -20°C to 25°C: VERKOL SAE 30 TO-4
z.
Alternative recommendations, -10°C to 40°C: TF CAT TO4 40
ba.
-10°C to 50°C
bb.
Alternative recommendations, -30°C to 45°C: GL-5 75W-140
bc.
-20°C to 25°C
bd.
Alternative recommendations, -30°C to 0°C: VERKOL SAE 10w TO-4
be.
Alternative recommendations, -10°C to 40°C: TF CAT TO4 40
bf.
Alternative recommendations, 0°C to 50°C: VERKOL SAE 50 TO-4
bg.
-35°C to 40°C
bh.
Alternative recommendations, -20°C to 25°C: CG-4+EO CAT ECF-1 30
bi.
Alternative recommendations, -10°C to 40°C: CG-4+EO CAT ECF-1 40
bj.
-20°C to 10°C
bk.
Alternative recommendations, 0°C to 45°C: VERKOL SAE 30 TO-4
bl.
-20°C to 10°C
bm.
Alternative recommendations, 0°C to 35°C: VERKOL SAE 30 TO-4
bn.
Alternative recommendations, 10°C to 50°C: VERKOL SAE 50 TO-4

Oil Change Intervals

Engine (D) (Caterpillar C9)
Months Max
3
Hours Max
500
Transmission
Months Max
6
Hours Max
1000
Coolant
Months Max
36
Hours Max
6000
Hydraulics
Months Max
12
Hours Max
2000
Final Drives (each)
Months Max
12
Hours Max
2000
Track Roller Frame Recoil Spring (each)
Months Max
6
Hours Max
1000
Winch (Hydraulic Drive)
Months Max
6
Hours Max
1000
Winch (Mechanical Drive)
Months Max
6
Hours Max
1000