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Truck Transmissions
For Every Make & Model
Tested, Warrantied, and Delivered Nationwide.
Browse our selection of transmissions from top manufacturers Nationwide Shipping | 90-Days Full Refund/Replacement Warranty | Trusted by Mechanics, Dealerships & Truck Owners
Used Truck Transmissions for Sale Low-Mileage, Tested & Warranted
Prolane Truck Parts – Ships Nationwide to Florida, Texas, California, New York, North Carolina & Georgia
Shop Our Most High Quality & Affordable Used Transmissions
Used Transmissions for Every Truck from 1975
Nationwide Shipping | 180-Days Full Refund/Replacement Warranty | Ready to Ship Parts | Trusted by Mechanics & Truck Owners
Cheaper to Maintain Automatic Transmission
Improved Fuel Efficient Manual Transmission
Smooth & Seamless Acceleration CVT Transmission
Lightning-Fast Gear Shifts Dual-Clutch Transmission
America’s Best-Selling Heavy-Duty Truck Transmissions
Proven Performance. Fleet-Tested Reliability. Ready To Ship.
Explore the most in-demand heavy-duty truck transmissions trusted by fleets, owner-operators, repair shops, and logistics companies across the USA.
Eaton Fuller 18-Speed
Commonly Used In: Heavy-haul trucks, logging, construction, oversized load .
Why It’s Popular: Handles extreme torque with excellent durability and driver control.
Common Issues: Synchronizer wear, clutch issues, oil leaks after high mileage.
Best For:Heavy hauling, steep grades, off-road applications.
Eaton Fuller 13-Speed
Commonly Used In:Long-haul semi-trucks and regional freight carriers across America.
Why It’s Popular:Smooth shifting, fuel efficient, ideal for highway driving.
Common Issues: Gear wear, input shaft bearing noise, clutch wear.
Best For:Long-distance freight and owner-operators.
Detroit DT12
Commonly Used In: Freightliner Cascadia and Western Star highway tractors.
Why It’s Popular: Automated shifting improves fuel economy and driver comfort.
Common Issues: Sensor failures, actuator issues, software calibration problems.
Best For: Fleet operations and highway transportation.
Detroit DT12
Commonly Used In: Volvo VNL trucks used for regional and long-haul routes.
Why It’s Popular: Intelligent shifting maximizes fuel efficiency and performance.
Common Issues:Clutch actuator wear, electronic faults, calibration errors.
Best For: Fleets focused on fuel economy and driver comfort. Shop Now for best Offers.
Detroit Diesel DD13
Commonly Used In: Delivery trucks, utility trucks, tow trucks, shuttle buses.
Why It’s Popular: Reliable automatic transmission with smooth city driving.
Common Issues: Torque converter wear, fluid leaks, overheating.
Best For:Medium-duty commercial applications.
PACCAR MX-13
Commonly Used In: Dump trucks, fire trucks, mixers, refuse and vocational fleets.
Why It’s Popular: Built for demanding vocational jobs with exceptional durability.
Common Issues: Overheating, valve body wear, transmission fluid contamination.
Best For:Construction and heavy vocational work.
Cummins ISB / ISL
Commonly Used In: Freightliner, Kenworth, Peterbilt, International fleet trucks.
Why It’s Popular:Combines manual efficiency with automatic shifting convenience.
Common Issues: Clutch actuator failures, sensors, shift calibration issues.
Best For:Regional fleets and highway operations.
Cummins ISB / ISL
Commonly Used In: Freightliner, International, Peterbilt, Kenworth tractors.
Why It’s Popular: Proven reliability with simple design and affordable maintenance.
Common Issues:Gear wear, synchronizer damage, input bearing failure.
Best For:Everyday freight and regional hauling.
Find The Right Transmission For Your Truck
At Prolane Truck Parts, we specialize in supplying high-quality used truck transmissions for heavy duty trucks across the USA. Whether you are replacing a failed transmission, rebuilding your fleet, or looking for an affordable OEM Transmission, we provide thoroughly inspected transmission ready to perform.
Popular Transmissions Brands We Carry “Cummins ISX15 Eaton Fuller 18-Speed | Cummins X15 Eaton Fuller 13-Speed | Detroit DD15 | Detroit DT12 | Volvo I-Shift | Eaton UltraShift | Cummins Eaton Fuller 13-Speed | Cummins Eaton 10-Speed | Mack mDRIVE | Meritor FreedomLine”

Expert Customer Support
Expert Truck Parts Specialist Team with Deep Automotive Expertise, Ready to Assist Anytime.

Quality at Affordable Prices
Our team carefully inspects engines for major defects, damages, and operational condition.

High Quality Used Truck Transmission
At a fraction of the cost of new parts, get reliable, tested engines, transmissions, axles & more.
SHOP BY TOP SELLING BRAND
Prolane Truck Parts proudly partners with leading automotive brands to ensure top-quality products and reliable performance. We do sell Frieghtliner, Peterbilt, Kenworth, International, Volvo, Mack, Western Star Brands and many more.
Why Truckers Chose Prolane Truck Transmission?
Reliable & Affordable OEM Used Transmission for Sale
AI-Powered Inventory
for Precision Part Matching
Say goodbye to guesswork. Prolane’s AI-powered inventory system revolutionizes how you shop, scanning our vast database of over 4,500 makes and models to match parts with pinpoint accuracy.
We Ship Every Make & Model
for You!
Prolane Truck Parts is the ultimate online hub for used truck parts across the United States and Canada. Our streamlined facilities, tech-driven processes, & expert team make us the #1 choice for quality truck parts.
Rock-Solid Warranty
& Peace of Mind
We stand behind every part with confidence. Enjoy a standard 180-days warranty on most components, extending to 5-Years for heavy-hitters like engines, transmissions, and transfer cases.
Hotline for Mechanic &
Dedicated Parts Specialists
Our customer support is legendary: live phone assistance from 8:00 AM to 6:00 PM, plus email & chat options for seamless help. Whether it’s a quick query or complex installation advice, we’re here to get your truck ready.
Reliable Transmissions Unbeatable Prices
Genuine Truck Parts by Prolane
Our used transmissions are carefully inspected and tested to ensure top performance and durability. Each unit undergoes rigorous quality checks to guarantee reliability and longevity. Whether you need a manual or automatic transmission, we have a wide range of options to fit your vehicle’s make and model. Save money while getting a transmission that meets high standards. Enjoy hassle-free installation and enhanced vehicle performance with our expert-verified used transmissions.
Why Choose Our Used Transmissions?
- Eco-Friendly Choice: Reuse, recycle, and reduce waste
- Fast Delivery: Quick shipping to get you back on the road
- Wide Compatibility: Suitable for various makes and models
- Affordable Prices: Save significantly compared to new parts
- Premium Quality: Tested and verified for optimal performance
Why Buy Used Transmission from Prolane Truck Parts?
"Our goal is to help drivers get back on the road safely without overspending."
- Lowest-Mileage Transmission in the Industry – We source only the best assemblies with verified low miles so you get maximum life left.
- Rigorous Testing & Quality Assurance – Every transmission is compression-tested, leak-checked, and run before it leaves our facility. Plug-and-play ready.
- 5 years Full Warranty – Peace of mind included. Full refund or replacement if needed – no questions asked.
- Free Standard Shipping Nationwide – No hidden fees. Expedited and next-day options available.
How to Find Your Transmission
The Simple 4-Step Process Ensures You Get the Right Parts Quickly and Securely.
Year of Manufacture
Select the year of your vehicle to find compatible parts.
Pick Your Vehicle Model
Select your exact model for precise truck parts matching.
Secure Payment
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Upgrade Your Truck's Efficiency with Used OEM Transmissions!
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Amazing Deals
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- Dedicated Hotline Support: Mechanic Hotline with expert advice for parts query, VIN check, & All
- Bulk Purchase Discount: Up to 25% off on bulk orders for repair shops & mechanics, for frequent buyers.
- Priority Shipping: Free standard delivery across the USA plus expedited & next-day options to keep your shop running smoothly.
- Mechanic Loyalty Program: Earn points per purchase, reedemable for discounts, designed to support businesses.
- Installation Assistance: Free expert guidance from our parts specialists to ensure seamless installation
- Exclusive Discounts: Save extra 20% on selected used truck parts for your next purchase every time.
- Free Shipping: No-cost standard delivery on all orders to continental USA, plus expedited and next-day options for urgent needs.
- Loyalty Rewards: Join our rewards program to earn points on every purchase, redeemable for future discounts.
Top Selling Used Truck Engines In The USA
At Prolane Truck Parts, we supply high-quality used truck engines for heavy duty trucks, semi trucks, fleet vehicles, construction trucks, and commercial diesel applications across the United States.
- Used Eaton Fuller 18-Speed Transmission
- Used Eaton Fuller 13-Speed Transmission
- Used Volvo I-Shift Transmission
- Used Eaton UltraShift Transmission
- Used Caterpillar Eaton Fuller 18-Speed Transmission
- Used Detroit DT12 Transmission
- Used DT12 Transmission
- Used Eaton UltraShift Transmission
- Used Caterpillar Eaton Fuller 13-Speed Transmission
- Used Cummins N14 Eaton Fuller 18-Speed Transmission
STILL CONFUSED..? Talk to Our Customer Support
Extra 15% Off On Your First Purchase, Use Coupon Code: PTP015
Find high-quality engines, transmissions, ABS modules, and more with Prolane Truck Parts. Enjoy free shipping, expedited options, and expert support!
- Rock-Solid Warranty & Peace of Mind
- We Ship Every Make & Model for You!
- AI-Powered Inventory for Precision Part Matching