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Make
CATERPILLAR
Model
420F 2WS-AWD Tier4i (S/N SKR00001 - Up) (Backhoe Loaders)
Engine
DT
Year
2012-

Application
Recommendation
Capacity (ltr)
Engine (DT) (C4.4)
1st choice
Refer To Technical (a)
7.6
2nd choice
Gulf Supreme Duty XLE 15W-40
Transmission (direct drive / powershift)
Gulf HT Fluid TO-4 30 (b)
18.5 - 19.0
Hydraulics
Refer To Technical (c)
42.0
Coolant (50%)
Refer To Technical
20.4 - 22.0
Front Axle Differential
Gulf HT Fluid TO-4 30 (d)
11.0
Front Axle Hubs (each)
Gulf HT Fluid TO-4 30 (e)
0.7
Grease Points
Gulf Crown CSC 2 (f)
Rear Axle Differential
Gulf HT Fluid TO-4 30 (g, h)
16.5
Rear Axle Hubs (each)
Gulf HT Fluid TO-4 30 (i)
1.7

Lubricant / Capacity Notes

a.
Alternative recommendations: -18°C to 40°C, 10W-30
b.
Alternative recommendations: 10°C to 50°C, Gulf HT Fluid TO-4 50; -20°C to 10°C, Gulf HT Fluid TO-4 10W; 0°C to 35°C, Refer To Technical / Gulf HT Fluid TO-4 30; -15°C to 43°C, Refer To Technical
c.
Alternative recommendations: -5°C to 45°C, HY CAT HYDO 20W; 0°C to 50°C, Refer To Technical; -20°C to 40°C, Gulf HT Fluid TO-4 10W; -15°C to 50°C, Refer To Technical; -20°C to 40°C, Refer To Technical / Gulf Supreme Duty XLE 10W-30
d.
Alternative recommendations: 10°C to 50°C, 50
e.
Alternative recommendations: 10°C to 50°C, 50
f.
Alternative recommendations: Gulf Crown LCX 2
g.
Use 197-0017 axle & brake oil additive as directed.
h.
Alternative recommendations: -25°C to 40°C, Refer To Technical / Gulf HT Fluid TO-4 30
i.
Alternative recommendations: -25°C to 40°C, Refer To Technical / Gulf HT Fluid TO-4 30

General Notes

There are no notes to display for this model

Oil Change Intervals

Engine (DT) (C4.4)
Months Max
3
Hours Max
500
Transmission (direct drive / powershift)
Months Max
6
Hours Max
1000
Hydraulics
Months Max
18
Hours Max
3000
Coolant (50%)
Months Min
36
Months Max
72
Hours Min
6000
Hours Max
12000
Front Axle Differential
Months Max
6
Hours Max
1000
Front Axle Hubs (each)
Months Max
6
Hours Max
1000
Rear Axle Differential
Months Max
6
Hours Max
1000
Rear Axle Hubs (each)
Months Max
6
Hours Max
1000