73
L4000G4
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(800) 363-1771
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Lubricant & Hydraulic Oil Specifications
Hydraulic System
Use premium quality lubricants with 100-200 SUS or 20-43 cSt viscosity at operating temperatures�
The hydraulic fluid’s specifications in the table below are for normal operating conditions. Extreme
environments or dirty conditions may require the use of different oils� Consult your New Leader dealer
or the Product Support Department at Highway Equipment Company for systems operating outside
normal conditions�
Ideal Oil Operating Temperature
115-158°F (46.11-70° C)
Recommended Premium Lubricant
Multi-Purpose Agriculture Hydraulic & Transmission Oil
Lubricant Specifications
Viscosity Index
Viscosity at 40°C, cst
Viscosity at 100°C, cst
Greater than 130
Less than 68
Greater than 9
Acceptable Fluid Example
Mobil 424
Gearcase Lubricant
Lubricate these assemblies with non-corrosive type extreme pressure (E�P�) gear oil conforming to
MIL-L2105 B multi-purpose gear lubricating oil requirements (API Service GL 4) based on ambient
temperatures listed below. Refill gear case with one and a half (1-1/2) pints (.70 liters) of recommended
lubricant�
Ambient
Temperature
Below 40°
(4.44°C)
Between 40° (4.44°C) and 100°
(37.77°C)
Above 100°
(37.77°C)
Oil Type
SAE 80 E�P�
SAE 90 E�P�
SAE 140 E�P�
40° F (4.44° C)
SAE 80 E.P.
SAE 90 E.P.
SAE 100 E.P.
100° F (37.77° C)
Ambient Temperature
Oil Type
Grease Gun Lubricant
Use a waterproof ball and roller bearing lithium base lubricant with a minimum melting point of 300°F
(148�8° C)� This lubricant should have a viscosity which assures easy handling in the pressure gun at
prevailing atmospheric temperatures� The grease should conform to NLGI No� 2 consistency�
