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OVERVIEW

SUNOCO TO-4 TRANSFLUIDS are premium quality lubricants specially formulated to meet both Caterpillar TO-4 and Allison C-4 (SAE 10W and 30 viscosity grades) requirements. These fluids are designed for use in power-shift transmissions, final drives, hydrostatic transmissions, torque converters, hydraulic systems and the wet brake compartments of Caterpillar equipment.  SUNOCO TO-4 TRANSFLUIDS provide substantially improved friction and anti-wear performance compared with older API CD/TO-2 fluids.

FEATURES & BENEFITS

SUNOCO TO-4 TRANSFLUIDS offer good low temperature pumpability, optimized clutch-friction retention and slippage control, and improved clutch life compared to the best API CD/TO-2 engine oils. They have properly balance frictional profiles to provide the required grip for firm and precise braking under all conditions.  SUNOCO TO-4 TRANSFLUIDS have excellent anti-wear and load carrying capabilities, work to reduce gear wear and extend transmission life, and offer superior brake chatter control. These oils provide hydraulic stability and protection against high-pressure pump wear along with outstanding thermal and oxidation stability.

APPLICATIONS

SUNOCO TO-4 TRANSFLUIDS are designed for use in powershift transmissions, hydrostatic transmissions, torque converters, final drives and the wet brake and hydraulic systems of Caterpillar and other off-highway construction and mining equipment. SUNOCO TO-4 TRANSFLUIDS may also be used in heavy-duty commercial automatic and manual transmission where Allison C-4 or Caterpillar TO-4 fluid is specified.

SPECIFICATIONS

API GL-4 • Allison C-4, C-3 (SAE 10W, 30) • Caterpillar TO-4 • Eaton Fuller transmissions (SAE 30, 50) • Dana Spicer transmissions (SAE 30, 50) • Euclid Equipment • Komatsu Equipment • Dresser • Vickers M-2950-S • ZF TE-ML 03C for torque converter transmissions (SAE 10W, 30) 

Product Code

5073

5093

5113

SAE Viscosity Grade

10

30

50

Viscosity, cSt @ 100 °C

6.6

11.3

20.0

Viscosity, cSt @ 40 °C

44.4

98.2

235.0

Viscosity Index

100

96

99

Pour Point, °C

-29

-23

-10

Zinc, Wt. (%)

0.129

0.129

0.129

Calcium, wt%

0.305

0.305

0.305

Sulfated Ash, wt%

1.24

1.24

1.24

Copper Corrosion

1A

1A

1A

Foam Test

Pass

Pass

Pass