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Engineered for enhanced strength and smoother operation, the BD Diesel TowMaster 4R100 Transmission & Converter Package is built to handle the torque demands of your 1999–2003 Ford 7.3L Power Stroke 2WD. Whether you tow, daily drive, or run work loads, this matched transmission and ProForce torque converter combo improves shift quality, durability, and efficiency across the board.
This kit includes a dyno-tested 4R100 transmission, BD’s ProForce torque converter, a deep aluminum transmission pan, and a frame-mounted auxiliary filter kit for extra protection. BD’s upgrades to internal clutch capacity, lubrication circuits, and hydraulic control mean longer service life and confident drivability in any condition.
💰 $1,500 USD refundable core deposit required.
Transmission Highlights:
BD HD Aluminum Deep Transmission Pan (adds 6 quarts of capacity)
Recalibrated accumulator body for firmer, quicker shifts
Full shift kit w/ line mod valve increases line pressure
Additional lubrication for OD planet, output & intermediate shafts
Tapped & sealed feed circuits to prevent case leaks
Upgraded OD snap ring & machined center support
Fully rollerized geartrain & reworked front pump
Auxiliary full-flow frame-mounted filter kit included (1990–2003)
Dyno-tested for performance and reliability
Clutch Count Upgrades:
Coast Clutch: 2
Forward: 5 (+25%)
Direct: 5
Low Reverse: 7 (+17%)
Intermediate: 4 (+33%)
Overdrive: 4 (+33%)
ProForce Torque Converter:
Cast aluminum stator enhances torque multiplication
Lower RPM response than OEM for better drivability
Furnace-brazed fins for increased strength
Stamp-forged steel front cover
More efficient lock-up and reduced heat under load
1999 Ford F-250 / F-350 / F-450 / F-550 7.3L Power Stroke 2WD
2000 Ford F-250 / F-350 / F-450 / F-550 7.3L Power Stroke 2WD
2001 Ford F-250 / F-350 / F-450 / F-550 7.3L Power Stroke 2WD
2002 Ford F-250 / F-350 / F-450 / F-550 7.3L Power Stroke 2WD
2003 Ford F-250 / F-350 / F-450 / F-550 7.3L Power Stroke 2WD
⚠️ Excursion models must use a factory-style transmission pan. BD Deep Pan may interfere with factory crossmember.
For a 4WD version see 1064444SM
BD Diesel TowMaster 4R100 Transmission Assembly
BD ProForce Torque Converter
BD Aluminum Deep Transmission Pan
Frame-Mounted Full Flow Auxiliary Filter Kit
Upgraded Clutch Packs (pre-installed)
Reworked Front Pump
Installation Instructions
With over 45 years of transmission engineering expertise, BD Diesel builds driveline systems that handle the demands of modern diesel performance. The TowMaster 4R100 package improves oiling, clutch capacity, shift precision, and torque delivery—making it the trusted upgrade for Power Stroke owners across North America. Every unit is dyno-tested and backed by a 36-month/150,000-mile parts warranty.
We are open Monday-Friday from 8am-6pm EST
Yes, customers located in and around the the Piedmont area are welcome to pick up their items from our retail location during normal business hours. Our address is:
Elite Race Fab
1514 Holbrook St Suite D-F
Greensboro, NC 27403
Elite Race Fab offers free ground shipping & handling to our retail customers within the lower 48 contiguous United States on most orders totaling $159.99 and higher, when the item being purchased is not a Freight/LTL item! Orders under $159.99 will be subject to a nominal $13.99 Flat shipping charge. Some exceptions and/or exclusions apply, in those scenarios you will be advised of any additional charges in the item details/description stating shipping exclussions/freight shipping required etc.
In regards to expedited and international shipping each order will need to be quoted on a case by case basis. You can obtain a quote two ways:
- From your shopping cart select "Request a Quote" prior to placing your order. We will review your proposed order and promptly respond with shipping estimates.
- Complete your order ahead of time indicating either expedited or international shipping during the checkout process. We will promptly determine shipping rates for your order and email you for approval and additional payment.
-Give us a call and we can ensure your item is shipped right then, to ensure you have it in time for your deadline.
We have been committed to offering all of our customers the lowest pricing throughout our website day in and day out. We value your business so much that we go a step further than our competitors. We use a third party software that proactively monitors all our competitor's websites/pricing so that we can make adjustments accordingly if needed to have the lowest prices. Thats right, no need to spend hours searching for the lowest prices, as ours will be the lowest.
As far as price matching, we dont want to write a check we cant cash, but we certainly want to earn your business. With that said, we will go above and beyond to match our competitor's pricing when it is needed. Simply email us, click the live contact button, or give us a call and be sure to have a link to our competitor's site and please factor in any shipping and handling their website will be charging. We will then ensure you get the lowest price, and either match or beat their pricing.
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