Quality Mack transmissions and repair parts. We have the Mack truck transmission you need at the right price, right now.
 We also stock and sell, everything you need to repair, rebuild or overhaul your
Mack transmission. We will have you up and running in no time!

 We sell new and completely rebuilt Mack truck transmission units as well as parts like: major and minor rebuild kits, bearing kits, gasket & seal kits, and complete overhaul kits for your manual truck transmission no matter who made it.

 Our Mack transmissions are the highest quality, professionally remanufactured units on the market today.

 We stock the full line of Mack transmissions including New, Used and Rebuilt units. Models are ready to ship today across the USA or anywhere in the world, delivered right to your door.

 We have a massive inventory of exchange Mack Transmissions and we also offer professional rebuilding services for your existing transmission if you do not want a ready to install exchange unit.

 We can pick up and deliver your transmission to any US city or worldwide. Our Mack transmissions exchange units come in: 18, 15, 13, 10, 9, 8, 7, 6 and 5 speed Mack transmissions models as well as automated, auto shift and manual and overdrive units.

 We Stock Mack heavy duty and medium duty truck transmissions for all types of applications.

 We offer a complete line of rebuilt Mack models for Ford, International, IHC, Kenworth, Isuzu, Peterbilt, Freightliner, GMC, Western Star, Sterling trucks trucks and equipment. Parts, sales, service and rebuilding services as well as new and rebuilt Mack Mack units for sale at discount prices.

 We offer a full line of rebuilt Mack heavy-duty truck transmissions, big-rig transmissions and equipment.

 When you need to replace your Mack truck transmission or repair it, we can assist you with both remanufactured exchange units and parts. Most models in stock ready to ship today. We ship from the USA to destinations world wide.

888 944-3277 / 888 9-4-GEARS

Mack transmissions rebuilt and exchange. Give us a call or e-mail us from the contact page for more information.
One year unlimited mileage warranty on all rebuilt Mack units.
New Mack units are covered by the manufacturers warranty and subject to their conditions.
Discount Priced Truck Parts.
World Drivetrain Co.

Mack Transmissions, Differentials, Transfercases, PTOs and Parts Supply.

Our Mack transmission shipping warehouses are located all across the USA for faster delivery and are ready to immediately ship locally and worldwide today!
Call Anytime!

Toll Free: 888 944-3277 / 888 9-4-GEARS
Call Center: 954-360-5462

Speak with an experienced Mack service or parts tech. M-F 8AM to 5PM EST.

Truck Transmission Parts.

Give us a call with any questions on Mack rebuilt units, new or used PTO or parts requests you have. We will connect you with the tech support you need to get you back on the road as quickly as possible. We are happy to be of service to you in any way we can.

Call Today!
888 944-3277
888  9-4-GEARS

We Ship

We have exported Worldwide Mack transmissions, differentials, transfer cases, power take off units and parts in all makes and models.

We can use our carrier or yours and deliver to the nearest airport or to your door. We will get your unit or parts delivered to you on time and ready to install.

We have exported to  countries all over the world and know exactly what it takes to get your parts delivered on time. Our goal is to supply the finest products in the least amount of time for our customers at a fair price. We want to ba a continuing supplier of all your truck and equipment unit and parts needs and will do whatever is necessary to do so.

World Drivetrain Supply.
World Drivetrain Co.
Contact Wholesale Drivetrain Supply.
We ship to every US City and worldwide.
Discount prices on truck transmission, differential, transfer case, pto and parts.
Wholesale Drivetrain Supply.
888 944-3277 / 888 9-4-GEARS