Description
A shear stable, multi-viscosity super tractor oil universal (STOU) fluid. It has been designed for use in tractor engines, transmissions, final drives and hydraulic systems.
Super Tractor SAE 15W-40 is a multifunctional fluid of the super tractor oil universal (STOU) type that is
intended for use in both the engines and transmission compartments of agricultural tractors and related
equipment, including those fitted with oil-immersed brakes.
For current and recent tractors, manufacturers separately specify the engine oil and transmission fluid
requirements. Thus in each case it is necessary to determine that Super Tractor SAE 15W-40 meets both sets
of requirements. Historically some tractor makers issued a single STOU specification that covered both engines
and transmission, but this practice has been discontinued for many years.
The diversity of tractor transmission fluid specifications is such that there are some mutual exclusivities, and it is
not possible for one fluid to completely meet all specifications. Also, some specifications are not publicly
available. Thus in some cases, Super Tractor SAE 15W-40 is offered on a suitable-for-use basis, supported by
a comprehensive combination of bench and equipment testing.
Although Super Tractor SAE 15W-40 does meet API GL-4, this is a secondary target and it is nevertheless not
designed for nor intended for use in any on-highway drive axles of the hypoid type.
Benefits:
• Minimizes application problems
Unique multi-application additive package enables use in engines, transmissions, final drives and hydraulic
systems, avoiding costly equipment failure due to misapplication.
• Reduced maintenance costs
Outstanding oxidation and nitration resistance minimizes acid number increase, providing protection
against bearing corrosion.
• Extended oil change periods
Very high oxidation stability protects against the formation of gums and varnishes, reduces oil thickening
and increases oil life.
• Maintains power output
Detergent/dispersant additive system maintains power output by providing deposit control under the high
temperature conditions encountered in both naturally aspirated and turbocharged diesel vehicles. Multiviscosity characteristics ensure rapid oil circulation on start-up, preventing wear which contributes to power
loss.
• Smooth and quiet operation
Special friction modifier component allows smooth action of the wet brakes and power take-off clutches,
minimizing chatter, stick slip and squawk.
Applications:
• Where tractor manufacturers specify the use of a STOU type product.
• Mixed fleets of agricultural tractors and associated equipment.
• Enclosed oil immersed (wet) brakes.
• Power take off (PTO) clutches.
Approvals, performance and recommendations:
Performance standards
• API CF, CF-4/SF
• API GL-4
• ZF TE-ML 06B, TE-ML 07B (approved and listed, reference 000789)
Suitable for use where the following are specified:
• API CG-4
• ACEA E3-96
• Ford ESN-M2C159-B
• Ford New Holland FNH 89008903
• New Holland NH 024C
• Massey Ferguson CMS M-1144, M-1145
Typical test data:
