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AMSOIL Synthetic Powershift Transmission Fluid SAE 50 (CTL)
Synthetic Powershift Transmission Fluid SAE 50 (CTL)

Advanced Formulation for Powershift and Manual Transmissions,
Wet Brakes and Final Drives
Package sizes include:

5-Gallon Pail
55-Gallon Drum
PRODUCT DESCRIPTION
AMSOIL Synthetic Powershift Transmission Fluids are specifically designed for high-torque heavy-
duty powershift transmissions. Formulated for extended drain intervals, Powershift Transmission
Fluids contain top-quality synthetic base stocks and a high level of top-quality additives selected
specifically for powershift transmissions. They offer unmatched transmission friction performance,
smooth brake operation, reduced gear and bearing wear and increased equipment life.

Friction Characteristics
AMSOIL Synthetic Powershift Transmission Fluids are compatible with common metallic and
nonmetallic friction materials. Their stable frictional characteristics eliminate excessive brake noise
and vibration. Their nonslip friction durability virtually eliminates clutch slippage, which can cause
glazing or friction surface deposits and material degradation. Powershift Transmission Fluids are
formulated to deliver responsive yet smooth clutch engagements, excellent power transmission
through clutches and synchronizers and superior hydraulic fluid performance for servo-equipped
units.

Wear Protection
AMSOIL Synthetic Powershift Transmission Fluids exceed the wear requirements of the Caterpillar
TO-4 specification and are formulated without viscosity index improvers for superior shear stability.
The superior shear stability of Powershift Transmission Fluids allows them to maintain grade
throughout service life, providing long-term protection against equipment wear, even when
equipment is frequently subjected to sustained periods of applied pressure or high horsepower and
high torque.

High and Low Temperature Performance
In high temperatures, AMSOIL Synthetic Powershift Transmission Fluids effectively protect
components from wear. Their superior oxidative and thermal stability inhibits the formation of
varnish, deposits and sludge so equipment runs clean. Synthetic Powershift Transmission Fluids
are excellent heat transfer fluids and may help hot-running equipment operate cooler and run in its
optimal temperature range. In low temperatures, Synthetic Powershift Transmission Fluids flow
readily for dependable startup and post-startup protection.

Copper Corrosion, Rust and Foam Inhibition
AMSOIL Synthetic Powershift Transmission Fluids protect equipment from copper corrosion and
rust, even during equipment storage. Synthetic Powershift Transmission Fluids do not foam in
service, protecting equipment from the metal-to-metal contact and wear that occurs with use of
foam-filled fluids.

Performance Data
AMSOIL SAE 50 (CTL) Synthetic Powershift Transmission Fluid is Recommended for Applications
Requiring the Following Specifications:

  • Caterpillar TO-4
  • Twin Disc
  • Komatsu T-50
  • Allison C-4
  • Rockwell/Eaton/Fuller CD-50 (PS-081)
  • ZF TE-ML 01
  • API GL-1
  • Applications

  • Dozers
  • Semi-trucks manual transmissions
  • Wheel loaders and crawlers
  • Back hoe loaders
  • Cranes
  • Off-road fork trucks
  • Harbor handling equipment
  • Railway equipment
  • Mining equipment
  • Road graders
  • Commercial boats

AMSOIL Synthetic SAE 50 Powershift Transmission Fluid is formulated for Fuller CD-50
performance and is ideal for use in Rockwell/Eaton/Fuller, Spicer, Fabco, Warner and other large
truck manual transmissions.

AMSOIL Synthetic SAE 50 Powershift Transmission Fluids can be used in Caterpillar, Allison,
Komatsu, Clark, Hurth, Borg-Warner, Twin Disc, Voith, ZF, Funk and Brockhouse powershift-type
transmissions and Eaton/Rockwell/Fuller transmissions.

Installation
AMSOIL Synthetic Powershift Transmission Fluids are fully compatible with other TO-4 fluids used in
powershift applications. To install AMSOIL Synthetic Powershift Transmission Fluids, drain the fluid
in the system, replace the filter (if so equipped) and install the appropriate Powershift Transmission
Fluid.

Service Life
AMSOIL Synthetic Powershift Transmission Fluids provide extended service life beyond
conventional petroleum fluids if Synthetic Powershift Transmission Fluids are kept free of dirt and
moisture. Oil analysis is recommended if extending service intervals beyond equipment
manufacturer recommendations.

AMSOIL Synthetic Powershift Transmission Fluids may be used for 250,000 miles or two years
(whichever comes first) in CD-50 manual transmission applications.
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TYPICAL TECHNICAL PROPERTIES
AMSOIL SAE 50 Synthetic Powershift Transmission Fluid (CTL)
SAE Viscosity Grade
50
ISO Viscosity Grade
150
Kinematic Viscosity @ 100°C, cSt (ASTM D-445)
18.3
Kinematic Viscosity @ 40°C, cSt (ASTM D-445)
159.0
Viscosity Index (ASTM D-2270)
128
Pour Point °C (°F) (ASTM D-97)
-36 (-33)
Flash Point °C (°F) (ASTM D-92)
268 (514)
Four Ball Wear Test
(ASTM D-4172B: 40 kgf, 75°C, 1200 rpm, 1 hr), Scar, mm
0.35
Fire Point °C (°F) (ASTM D-92)
292 (558)
Noack 250°C, 1 hour, percent weight loss (DIN 51581)
 
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