Our Recommendation

Make
CATERPILLAR
Model
844 (Wheeled Bulldozers)
Engine
DT
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Application
Recommendation
Capacity (ltr)
Engine (DT)
  (a, b, c, d, e, f, g)
72.0
Transmission
VERKOL SAE 30 TO-4
70.0
Coolant
 
183
Hydraulics
VESTA 10w HD (i, j, k, l, m)
174 / 129 (h)
Front Differential & Final Drive
VERKOL SAE 50 TO-4 (n, o, p, q, r, s, t)
218
Grease Points (Molybdenum)
1
QUAKERTEK ATLANTA 2
2
QUAKERTEK VERKOMAX R 250
3
QUAKERTEK MOLYVERKOL 2
Grease Points (Multipurpose Lithium Greases)
1
QUAKERTEK VITALIA BF
2
QUAKERTEK VERKOPLEX XP-2
3
QUAKERTEK TERMOPLEX 220 EP
Grease Points (special purpose high temperature anti friction bearings)
 
Rear Differential & Reduction Hubs
VERKOL SAE 50 TO-4
218

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.
Implement and brakes tank/steering and fan drive system
i.
-20°C to 40°C
j.
Alternative recommendations, -20°C to 40°C: TF CAT TDTO 10W; VERKOPLUS 10w30 MSA
k.
Alternative recommendations, -15°C to 50°C: TF CAT TDTO TMS
l.
Alternative recommendations, -5°C to 45°C: HY CAT HYDO 20W
m.
Alternative recommendations, 0°C to 50°C: HY CAT HYDO 30
n.
Alternative recommendations, -40°C to 0°C: TF CAT TO4 0W-30
o.
Alternative recommendations, -40°C to -10°C: TF CAT TO4 0W-20
p.
Alternative recommendations, -30°C to 10°C: VERKOL SAE 10w TO-4
q.
Alternative recommendations, -30°C to 0°C: TF CAT TO4 5W-30
r.
Alternative recommendations, -25°C to 15°C: VERKOL SAE 30 TO-4
s.
Alternative recommendations, -15°C to 50°C: VERKOL SAE 50 TO-4
t.
Alternative recommendations, -10°C to 50°C: TF CAT TO4 60

General Notes

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Oil Change Intervals

Engine (DT)
Hours Max
250
Transmission
Months Max
6
Hours Max
1000
Coolant
Months Max
24
Hours Max
2000
Hydraulics
Months Max
12
Hours Max
2000
Front Differential & Final Drive
Months Max
12
Hours Max
2000
Rear Differential & Reduction Hubs
Months Max
12
Hours Max
2000