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Miscellaneous Information
Multi-Torque Ratios
Description:
This parameter is used to select the desired Multi-
Torque trip point. Multi-Torque ratings allow the engine
to provide additional torque or additional horsepower
and torque when the transmission is operating in higher
gears. The trip point is determined by a ratio of engine
speed versus vehicle speed. The three programmable
options represent the different trip point values listed
below:
Pre-PM MAR04
MT-4: Turn on ratio is 71.5 rpm/mph & below
(Top 4 Gears)
MT-2: Turn on ratio is 37.6 rpm/mph & below
(Top 2 Gears)
MT-1: Turn on ratio is 27.9 rpm/mph & below
(Top 1 Gear)
PM MAR04 and After
MT-C: Turn on ratio is 38 rpm/mph & below
(Top 4 Gears)
MT-B: Turn on ratio is 33 rpm/mph & below
(Top 2 Gears)
MT-A: Turn on ratio is 27.9 rpm/mph & below
(Top 1 Gear)
NOTE: This feature is not used with standard engine
ratings, it is only available for Multi-Torque ratings.
Available:
Heavy duty electronically controlled on-highway
engines covered in this handbook
Range:
Engine Range Default
Heavy Duty
Pre-PM MAR04
MT-2, MT-1 MT-4
Heavy Duty
PM MAR04 & After
MT-B, MT-C MT-A