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Make
CATERPILLAR
Model
966F Series II, -LFC (Wheeled Loaders)
Engine
DT

Application
Recommendation
Capacity (ltr)
Engine (DT) (Cat 3306T)
1st choice
Refer To Technical (b)
(a)
2nd choice
Gulf Supreme Duty LE 15W-40
Transmission
1st choice
Refer To Technical
(a)
2nd choice
Gulf HT Fluid TO-4 30
Hydraulics
Refer To Technical (c, d)
(a)
Coolant
Refer to Technical
(a)
Final Drives (each)
1st choice
Refer To Technical
(a)
2nd choice
Gulf HT Fluid TO-4 50
Grease Points (Molybdenum)
Gulf Crown LCX 2
Grease Points (Multipurpose Lithium Greases)
Gulf Crown LC 2
Grease Points (special purpose high temperature anti friction bearings)
Gulf Gem 1.5

Lubricant / Capacity Notes

a.
Capacity unquoted
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.
Caterpillar list API CG-4, API CF and CAT TO-4 as alternative specifications. These oils must have a minimum zinc content of 900 ppm
d.
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

General Notes

There are no notes to display for this model

Oil Change Intervals

Hydraulics
Months Max
18
Hours Max
3000