SKU: 30451033582

TO-4 50 Drive Train CAT Fluid - 5 Gallon Pail

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Description

TO-4 50 Drive Train CAT Fluid - 5 Gallon PailDescription Sinopec TO 4 50 Heavy Duty Transmission Fluid is designed for use in powershift transmissions, hydrostatic transmissions, torque converters, final drives and hydraulic systems of Caterpillar and other off highway construction and mining equipment. They may also be used in heavy duty commercial automatic and manual transmission where Allison C 4 or Caterpillar TO 4 fluid is specified. Pack Size: 5 Gallon Pail (18L Volume), Grade: SAE 50,

Description

Sinopec TO-4 50 Heavy Duty Transmission Fluid is designed for use in powershift transmissions, hydrostatic transmissions, torque converters, final drives and hydraulic systems of Caterpillar and other off-highway construction and mining equipment. They may also be used in heavy-duty commercial automatic and manual transmission where Allison C-4 or Caterpillar TO-4 fluid is specified. 

Pack Size: 5 Gallon Pail (18L Volume), Grade: SAE 50, ISO 220

Features & Benefits

Sinopec TO-4 50 Heavy Duty Transmission Fluid is suitable for use in:

  • Heavy-duty transmissions, gearboxes, final drives and hydraulic systems used in off-highway applications, where a Caterpillar TO-4 product is recommended.
  • Other heavy-duty applications in the mining, construction, quarrying and agricultural industries.
  • Manual, power-shift and automatic transmissions where Allison C-4 fluids are recommended.
  • Mobile hydraulic equipment applications.
  • Applications where paper and elastomer disc materials are used, and advanced frictional properties are required to extend clutch life and provide slippage control under severe high-load conditions.

Features & Benefits

  • Excellent anti-wear properties and load carrying ability reduce gear wear and extend the life of heavy-duty transmission systems, gearboxes and final drives, leading to increased productivity and reduced equipment downtime.
  • Outstanding oxidation stability, thermal stability and detergency prevent the build up of deposits and ensure long fluid life.
  • Advanced frictional properties provide the clutch-friction retention and slippage control required in equipment that uses modern paper or elastomer disc materials.
  • Compatible with modern clutch materials and elastomers, to extend component life and prevent oil leakage.
  • Effective control of foaming together with good air-release properties ensure smooth transfer of power and shifting performance, and reduce fluid loss in severe service conditions.
  • Very good low-temperature properties protect against wear under cold start up and running conditions.

Specifications

Sinopec TO-4 50 Heavy Duty Transmission Fluid Specifications

SAE viscosity grade 50
Kinematic viscosity, ASTM D 445 --

cSt @ 40°C

196.5
cSt @ 100°C 18.4

Viscosity, Brookfield, ASTM D 2983

cP @ –15°C

46,000
Viscosity index, ASTM D 2270 96
FZG gear scuffing, load stage, ASTM D 5182 12
Pour point, °C, ASTM D 97 -18
Flash point (COC), °C, ASTM D 92 250

Sinopec TO-4 50 Heavy Duty Transmission Fluid meets or exceeds the performance requirements of the following industry specifications:

Sinopec Q/SH303 533-2012

Sinopec TO-4 50 Heavy Duty Transmission Fluid meets or exceeds the performance requirements of the following OEM specifications:

Caterpillar TO-4


Cross Reference

  • Shell Spirax S4 CX 50
  • Valvoline Drive Train Transmission Oil
  • Mobiltrans HD 50


Additional shipping fess will apply to residential, limited access, deliveries outside the regular delivery network or locations requiring a lift gate to complete delivery.  

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    Exchange/Return Notes
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    SKU: 30451033582

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    Reviewed in the United States on May 17, 2026
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    Leslie Van Dyk
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    Reviewed in the United States on April 24, 2026
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    Ellie Calles
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    ★★★★★ 5
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    Reviewed in the United States on May 22, 2026
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    Nightingale1221
    Louisville, US
    ★★★★★ 5
    Cute and well loved.
    Color: gray & pink, Color: gray & pink
    My dog gives this 5 stars because she loves to destroy stuffies and this was no exception. She immediately removed the ears and tail, along with the little nubs that were supposed to be nostrils. I give is a few points because she still hasn't removed any legs. I thought it was so cute, and it is far less cute since my dog has had her way with it. She still loves it however…so it is a winner in our book. The photo is after only a couple hours of play
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    Reviewed in the United States on November 9, 2025
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    Rachel
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    ★★★★★ 4
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