T30 Series Transfer Case

  • Family of heavy-duty 3-shaft 2-speed transfer cases
  • Direct mount to Allison 3000 Series transmission
  • Designed for on-off highway commercial vehicles, machinery and equipment
  • Built with premium components to handle punishing AWD applications
  • Modular/removable mounting flange

Two-Speed: Hi 1.09:1, Low 2.247:1
Dry Weight: 425# to 531# depending on configuration and differential
Input Torque Rating: Designed to meet torque rating for all Allison 3000 Series transmissions*
Housing: Light-weight aluminum housing–reinforced at stress areas for greater durability
Max. Input Speed: 3500 RPM
Shaft Center Distance: 12.6"-16.5" depending on configuration
Input Drive Direction: Clockwise
Electronic Connectors: Speedometer, front axle engage, hi-low
Oil Capacity: Without differential: approx 8.6 quarts
Maximum Operating Oil Temperature: 266° F
Input/Output Flange: Standard KV150–other flanges available
Application Versatility: Many variations available with direct mount to Allison 3000 Series transmission or remote mount
Gear-driven oil pump: Combined splash and forced feed lubrication
Simplified plumbing: No external lines
User-Friendly: Allows towing without disconnection of propeller shafts when gear shift is in neutral
Proportioning Differential: Torque ratio front/rear: 1:1
External Oil Cooler Adaption: Provides greater application versatility
Optional Flanges: Provides greater application versatility
Parking Brake: Mechanically or hydraulically actuated
Integrated Solenoid Valves: On-road/Off -road or neutral/front axle drive
*Greater ratings may apply to certain commercial applications–consult Marmon-Herrington Engineering.
Specifications subject to change without notice, photos may show some optional equipment.

©2011 - Marmon-Herrington - A Marmon Highway Technologies®/Berkshire Hathaway Company

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