Detroit DA-RT-40.0-4S Axles & Differentials For Sale

The Detroit DA-RT-40.0-4S ranges in price from as low as $600 up to $6,250 based on MyLittleSalesman.com marketplace data.
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Detroit DA-RT-40.0-4S Rear Differential for a Freightliner Cascadia 126

2019 Detroit DA-RT-40.0-4S Rear Differential for a Freightliner Cascadia 126

Recently Updated
$900 USD
DA-RT-40.0-4S Rear (RT40-NFD) - 2.85 Ratio - Core - Grade C - Rebuildable - Missing Yoke, Lower Pinion Bearings Worn, Good Gearset. CORE UNIT SOLD AS-IS
ConditionUsed
Rear End2.85 ratio
Fits To Make(s)FREIGHTLINER
Fits To Model(s)Cascadia 126
Stock Number28261
MLS Number14100119
CategoryDifferentials, Rear
Last Updated10/6/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
Detroit DA-RT-40.0-4S Rear Axle Housing for a Freightliner Cascadia 126

2019 Detroit DA-RT-40.0-4S Rear Axle Housing for a Freightliner Cascadia 126

Recently Updated
$850 USD
Detroit Rear Axle Housing, DA-RT-40.0-4S (RT40-NFD), w/ Torque Rod Bracket, 10 Hole Pilot, Air Drum Brakes, ABS. Needs RH Brake Chamber. Removed From 2019 Freightliner FAS II Airliner...
ConditionUsed
Fits To Make(s)FREIGHTLINER
Fits To Model(s)Cascadia 126
Stock Number1853-6
MLS Number13896321
CategoryAxle Housings, Rear
Last Updated10/6/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
Detroit DA-RT-40.0-4S Rear Axle Housing for a Freightliner CASCADIA

2019 Detroit DA-RT-40.0-4S Rear Axle Housing for a Freightliner CASCADIA

$850 USD
Detroit Rear Axle Housing, DA-RT-40.0-4S NFD (RT40-NFD-N Rear), w/ Torque Rod Bracket, 10 Hole Pilot, Air Drum Brakes, ABS. 53.5" Inner Flange To Inner Flange, STD Track P/N A7753500930,...
ConditionUsed
Fits To Make(s)FREIGHTLINER
Fits To Model(s)CASCADIA
Stock Number36818
MLS Number14541767
CategoryAxle Housings, Rear
Last Updated9/24/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
Detroit DA-RT-40.0-4S Rear Axle Housing for a Freightliner Cascadia 116

2020 Detroit DA-RT-40.0-4S Rear Axle Housing for a Freightliner Cascadia 116

$850 USD
Detroit DA-RT-40.0-4S Rear Axle Housing, 10 Hole Pilot, Air Drum Brakes,ABS P/N A7753500130KH (Replaced By A7753501830). Removed From 2020 Freightliner FAS II Airliner Suspension.
ConditionUsed
Fits To Make(s)FREIGHTLINER
Fits To Model(s)Cascadia 116
Stock Number4593-59
MLS Number14611458
CategoryAxle Housings, Rear
Last Updated9/24/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
Detroit DA-RT-40.0-4S Front Differential for a Freightliner Cascadia 126

2022 Detroit DA-RT-40.0-4S Front Differential for a Freightliner Cascadia 126

Contact for price
DA-RT40-4.0 - Front Rear - Ratio 2.85 - Pullout - DIFF ONLY. grade C - rebuildable - bad gearset - case good - metal chunks in case housing.
ConditionUsed
Rear End2.85 ratio
Fits To Make(s)FREIGHTLINER
Fits To Model(s)Cascadia 126
Stock Number4491-4
MLS Number14379305
CategoryDifferentials, Front
Last Updated9/15/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
Detroit DA-RT-40.0-4S Rear Differential for a Freightliner Cascadia 116 Day Cab

2020 Detroit DA-RT-40.0-4S Rear Differential for a Freightliner Cascadia 116 Day Cab

$1,500 USD
DA-RT-40.0-4S (RT40-NFD) - 3.23 Ratio - Pullout - Grade A- Unit In Good Condition.
ConditionUsed
Rear End3.23 ratio
Fits To Make(s)FREIGHTLINER
Fits To Model(s)Cascadia 116 Day Cab
Stock Number4193-6
MLS Number13983816
CategoryDifferentials, Rear
Last Updated9/1/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
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