JLG 4394RT Service Manual - Manual (Page 15)

SECTION 1 - SPECIFICATIONS
3121249 – JLG Lift – 1-5
1.12 LUBRICATION SPECIFICATIONS
NOTE: Hydraulic oils must have anti-wear qualities at least
to API Service Classification GL-3, and sufficient
chemical stability for mobile hydraulic system ser-
vice. JLG Industries recommends Mobilfluid 424
hydraulic oil, which has an SAE viscosity index of
152.
Table 1-14. Hydraulic Oil
Hydraulic System Operating
Temperature Range
Sae Viscosity Grade
0°F to +23°F
(-18°C to -5°C)
10W
0°F to +210°F
(-18°C to +100°C)
10W-20,10W-30
+50°F to +210°F
(+10°C to +100°C)
20W-20
Table 1-15. Mobil DTE 13M Specs
ISO Viscosity Grade #32
Specific Gravity 0.877
Pour Point, Max -40°F (-40°C)
Flash Point, Min. 330°F (166°C)
Viscosity
at 40°C 33cSt
at 100°C 6.6 cSt
at 100°F 169 SUS
at 210°F 48 SUS
cp at -20°F 6,200
Viscosity Index 140
Table 1-16. Mobil 424 Specs
Type Synthetic Biodegradable
SAE Grade 10W-30
Gravity, API 29.0
Density 7.35 lb/gal (
Pour Point, Max -46°F (-43°C)
Flash Point, Min. 442°F (228°C)
Viscosity
at 40°C 55 cSt
at 100°C 9.3 cSt
Viscosity Index 152