APPLICATION CHART & PRICE
Dual Range® Auxiliary Transmissions
NOW YOU DON'T HAVE TO CHOOSE BETWEEN POWER AND ECONOMY
AMERICA'S MOST POPULAR AUXILIARY TRANSMISSION
Truck Parts Specialists is Proud to Offer you the US Gear line of Quality Performance Products. When it comes to your Families and your Equipments Safety, rely on the Experts at Truck Parts Specialists to supply you with US Gear's fine products. D-CELERATOR UNIFIED TOW BRAKE, D-CELERATOR DIESEL EXHAUST BRAKE, CYCLONE POWER FAN, DUAL RANGE AUXILIARY TRANSMISSION, TORQ-LINE GAUGE KITS, AND THE TORQ-LINE CHROME TURN DOWN TAILPIPES.
Over/Under Drive | Schedule Dual Range FAQ
Gear Ratio Chart | Operating Instruction
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directly to the appropriate section of the application chart.)GM 2WD Dodge 2WD Ford 2WD GM 4WD Dodge 4WD Ford 4WD
Dual Range Auxiliary Transmission
Application Chart & Price CodeVehicle Transmission Application Part Number Price Code Adapter Kit U/D O/D GM 2WD Automatics 3-spd. (T350) Pick-ups, vans, Suburbans, equipped small block engines (6" tail hsg.) 170-28725 170-28780 A 80-80029 3-spd. (T350-9") Same as above with 9" tail hsg. 170-28725 170-28780 A 80-80032 3-spd. (T400)* Pick-ups, vans, Suburbans ('73-'87), big block engines '88-'90 Crew-Cabs/
Suburbans*170-28025 170-28080 A 80-80025 Note: All 2WD T400 GM vehicles 1979 & older will require a floor pan kit (PN92-80012) for proper installation. 3-spd. (T400E) Pick-ups ('88-'90) exc. Crew-Cabs/Suburbans big block engines 170-28025M 170-28080M A 80-80025 3-spd. (T475B) P-30 Chassis w/transmission parking brake 170-28025B 170-28080B D 80-80025B 4-spd. (T700R4) Pick-ups, vans, and Suburbans w/small block engines and cable-driven speedometer 170-28725 N/A A 80-80029 4-spd. (T700R4E) '88-'95 Pick-ups, vans, and Suburbans w/small block engine and electric speedometer 170-28725M N/A A 80-80029M 4-spd. (T4L80E) '91-'93 3/4 & 1 ton pick-ups, vans, Crew-Cabs/Suburbans w/big block engines 170-28025M** 170-28080M** C 80-80035** 4-spd. (T4L80E) '94-'95 3/4 & 1-ton pick-up, vans, Crew-Cabs/Suburbans w/big block engines 170-28025M 170-28080M C 80-80035M 4-spd. (T4L80E-B) '96 & up 3/4 & 1-ton pick-ups, vans Crew-Cabs/Suburbans w/big block engines 170-28025M 170-28080M C 80-80035C 4-spd. (T4L80E-B) '91-'95 P-30 chassis w/Transmission Parking Brake 170-28025BM N/A C 80-80035B 4-spd. (T4L80E-B) '96 & Up P-30 chassis w/Transmission Parking Brake (4 wheel ABS) 170-28025BM N/A E 80-80035BC 4-spd. (T4L80E-BH) '91-'95 P-30 chassis w/Transmission Parking Brake (Hydraulic Assist) 170-28025BM N/A E 80-80035BH 4-spd. (T4L80E-BH) '96 & Up P-30 chassis w/Transmission Parking Brake (Hydraulic Assist) (4 wheel ABS) 170-28025BM N/A E 80-80035BHC Manuals 5-spd. (NV4500) Pick-ups ('94 & up) 170-28525M 170-28580M C 80-80070 * Some '88-'90 Crew-Cabs/Suburbans have electronic speedometer pickup. Those applications use (T400E) ** '91-'93 4L80E Pick-ups, vans, Crew-Cabs, and Suburbans w/big block and diesel applications require a VSSB Calibrator, our Part# 80-80001
Back to Top GM 4WD Automatics 3-spd. (T400) Pick-up/Suburban w/NP208 or BW1370, '80-'87 big block engines 140-28025 140-28080 C 80-80046 3-spd. (T400) Pick-up/Suburban w/torsion bar w/NP241 & BW4110 big block engines '88-'90 140-28025 140-28080 D 80-80048 4-spd. (4L80E) Pick-up/Suburban w/torsion bar w/NP241 & BW4110 big block engines '91-'95 140-28025 140-28080 D 80-80048M 4-spd. (700R4) Pick-up/Suburban w/NP208 or BW1370 '80-'87 small block engines 140-28725 N/A C 80-80046 4-spd. (700R4/4L60E) Pick-up/Suburban w/NP241. '88-'95 small block engines 140-28725 140-28780 D 80-80049 Manuals 4-spd. (SM465) Pick-ups, Crew-Cabs, & Suburbans w/NP208 or BW1370 '80-'87 140-28025 140-28080 C 80-80045 Note: All 4WD Pick-ups with Standard Cabs will require fuel tank modifications. Back to Top Dodge 2WD Automatics 3-spd. (727) Pick0ups w/ Cummins Diesel engine. '89-mid '91 170-28025 170-28080 D 80-80043 3-spd. (727) Pick-ups Gas w/ 8.0" tail housing 170-28025 170-28080 D 80-80041 4-spd. (518) Pick-ups w/ Cummins Diesel or V-10 engine, mid '91-'95 170-68025* 170-68080* F 80-80050* 4-spd. (518) Pick-ups w/ Cummins Diesel or V-10 engine, '96 & up 170-68025* 170-68080* F 80-80051* Manuals 5-spd. (NV4500) Pick-ups '94 & up 170-68125 170-68180 C 80-80044 6-spd. (NV5600) Pick-ups '99 & up 170-68125* 170-68180* E 80-80056 Back to Top Dodge 4WD Automatics 4 spd. (518) Pick-ups w/ Cummins diesel and gas engine, '94 & up 140-68325** 140-68380** C 80-80084** Manuals 5-spd. (N4500) Pick-ups w/ Cummins diesel and gas engine, '94 & up 140-68925** 140-68980** C 80-80085** 6-spd. (NV5600) Pick-ups w/ Cummins diesel engine 140-68925** 140-68980** C 80-80086** **These applications require fuel tank modification on standard cab trucks or trucks with short beds. 2WD units are mounted between the primary transmission & transfer case. Back to Top Ford 2WD Automatics 3-spd. (C6) Pick-ups, vans, & Class C mini-motorhomes 170-48025 170-48080 A 80-80026 3-spd. (C6B) John Deere / Oshkosh Class A Motorhome chassis w/ transmission parking brake 140-28125 140-28180 E 80-80026B 4-spd. (E4OD) '89-'98 pick-ups (F250/350), vans, & Class C mini-motorhomes. All w/o transmission parking brake 170-48025** 170-48080** B 80-80036 Note: '95-'97 pick-ups w/ 7.3L DI "PowerStroke" require Part Number 80-80002 catalytic converter extension kit. 4-spd (E4OD/4R100) '99 and newer Pick-ups (F250/350/450/550 Super Duty), Excursions, vans, & class C mini-motorhomes. All w/o transmission parking brake 170-48025** 170-48080** B 80-80038 4-spd. (E4OD/4R100) Pre-'99 F450 Super Duty Cab-Chassis w/ transmission parking brake 140-48025** 140-48080** C 80-80036B 4-spd. (E4OD/4R100) Ford Chassis Super Duty Class A & C Motorhomes w/ transmission parking brake 140-48025** 140-48080** C 80-80181 Manuals 5-spd. (Zf5-B) Pre-'99 F450 Super Duty Cab-Chassis w/ transmission parking brake 140-48025 140-48080 C 80-80180 * 2WD ZF-5-speed application uses a complete ZF-5-speed/Dual Range Assembly. $400.00 core charge on primary transmission.
** Installations on '92 or newer Diesel and '93 or newer Gasoline vehicles or any E4OD that has been upgraded, will require our Speed Processor PN 84-80006 for proper operation. (This includes all vehicles with the 4R100 transmission.)Back to Top Ford 4WD Automatics 3-spd. (C6) All trucks w/ NP205/208 or BW1345/1356 transfer case. 140-48025 140-48080 C 80-80060 4-spd. (E4OD/4R100) Same as above 140-48025** 140-48080** C 80-80060 Manuals 4-spd. (T18-19) Same as above 140-48025 140-48080 C 80-80065 5-spd. (ZF5) Same as above 140-48025 140-48080 C 80-80065 6-spd. (ZF6) Same as above 140-48425 140-48480 C 80-80065 4WD units are mounted between the primary transmission & transfer case; installation on Ford single cab 4 x4 vehicles with dual fuel tanks will require modification of front tank. Also, Ford Crew-Cab models will require modification to floor pan to make the necessary clearance for the Dual Range and the new location of the transfer case. This can normally be accomplished by pushing up on the floor. Contact your dealer for more details on your application.
** Installations on 92 or newer Diesel and 93 or newer Gasoline vehicles or any E4OD that has been upgraded, will require our Speed Processor PN 84-80006 for proper operation. (This includes all vehicles with the 4R100 transmission.)
