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Make
JLG INDUSTRIES
Model
660SJC (Boom Lifts)
Engine
D
Year
2003-2006

Application
Recommendation
Capacity (ltr)
Engine (D) (Deutz F4M1011F/F4M2011 48kW)
1st choice
Gulf Superfleet Supreme 15W-40 (a, b)
10.5
2nd choice
Gulf Supreme Duty XLE 15W-40
Engine (DT) (Caterpillar 3044C [DT])
1st choice
Refer To Technical (c, d)
10.0
2nd choice
Gulf Supreme Duty LE 15W-40
Transmission
From Hydraulics
Coolant (Deutz)
AIR
Coolant (Caterpillar)
Refer to Technical
5.5
Hydraulics
Gulf Universal Tractor Transmission Fluid 80W
141
Grease Points
Gulf Crown EP 2
Wheel Hubs
Gulf Gear MP 90
7.9
Swing Bearing
Gulf Crown Synth LC 2
Swing Drive Hub
Gulf Gear MP 90
0.5

Lubricant / Capacity Notes

a.
-10°C to 50°C
b.
Alternative recommendations, -20°C to 50°C: 10W-40
c.
-15°C to 50°C
d.
Alternative recommendations, -20°C to 40°C: 10W-30

General Notes

There are no notes to display for this model

Oil Change Intervals

Engine (D) (Deutz F4M1011F/F4M2011 48kW)
Months Max
12
Hours Max
1200
Engine (DT) (Caterpillar 3044C [DT])
Months Max
3
Hours Max
150
Hydraulics
Months Max
24
Hours Max
1200
Wheel Hubs
Months Max
24
Hours Max
1200
Swing Drive Hub
Months Max
24
Hours Max
1200