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PPL Home > RV Parts Super Store > Tow Bars, Dollys, BrakeBuddy, Dinghy Towing
Diesel Engine Exhaust Brake for
For Motorhomes and Large Trailer Towing Diesels
D-Celerator Diesel Engine Exhaust Brake. The U.S. Gear D-Celerator® is a unique, electrically-activated exhaust brake for diesels.
- Exhaust brakes take the Terror Out of Downhill Towing
- Add Thousands of Miles to Your Vehicle's Brakes
- Patented Waste-Gate Design Gives Powerful Braking at Lower RPMs
A diesel engine exhaust brake can help you avoid the feeling of panic in hard or prolonged braking situations with diesels engine vehicles. Gasoline engines are designed with a throttle or butterfly valve that closes the air intake of the engine forming a vacuum effect that assists the vehicle in braking. Diesel powered engines have no such butterfly valve and thus no compression is developed when the throttle is released during braking. This means the brakes are given the entire task of getting the vehicle stopped.
Additional information can be found at the manufacturer's Diesel Engine Exhaust Brake web pages. This website will open in a new window. Just close the new window to return here and give PPL a call at 1-800-755-4775. We are an authorized dealer and can supply most any of the US Gear D-Celerator® products.
Top: Valve Open Bottom: Valve Closed
The D-Celerator® uses back pressure to provide supplemental braking. An oversize nodular iron housing consisting of two stainless steel butterflies (one large, one small) is added to the exhaust system in front of the muffler. The large version is in the main passage, while the small butterfly operates in a separate waste gate by-pass port. Available from 2-1/2" up to 4" . When signaled, the large butterfly closes , creating immediate exhaust pressure for assisting the vehicle's regular brakes. Gas flow is now directed through the small by-pass port and released by the small butterfly at at pre-determined pressure. This maintains the back pressure longer, providing precision braking whenever you need it. This system does not require valve spring changes or engine modifications.
The key elements to determining which model is applicable is the diameter, lbs of spring pressure and whether it is electronic. This links to a diesel engine exhaust brake (opens in new window) selection chart for the more popular products for motor homes and large trailer towing vehicles. As an authorized dealer, we can supply the products shown. Below are some of the more common models that fit factory standard engines and exhaust systems.
Stock # Manufacturer # Diameter
InchesExhaust
Pressure
lbs94-7503 EXB-3554 3 - 1/2 50 94-7504 EXB-3500 3 - 1/2 35 94-7505 EXB-4154 4 60 94-7506 EXB-4100 4 35 94-7507 EXB-3054E 3 60 94-7508 EXB-3000 3 35 Diesel Engine Exhaust Brakes - How to Order:
Please order online below. For questions or phone ordering, our telephone lines ( Toll Free 1-800-755-4775 ) are Open 7am to 7:30pm Mon-Fri, and Saturday, 9am to 4pm, Central Time. Sale Prices Shown are Valid Until 09/05/08.
Stock # Item Description Price Qty Order Items Presented Above Links to Related Items 94-4531 24K SUPERGLIDE 5TH WHEEL HITCH FOR SHORT BEDS **CLICK HERE**...Regularly $3172.39 On Sale for Only $2099.99 Click for Online Selection, Prices, & Ordering
Our Sale Prices are limited to in-stock quantities for some items.
SAVE! No Sales Tax if Shipped outside of Texas. The Sales Tax Savings will help pay for the shipping charge!
Click on this link to return to Diesel Engine Exhaust Brakes plus an index of links to many additional Tow Bars, Tow Dollys, BrakeBuddy & Dinghy Braking. PPL's RV Parts Superstore has 1000's of RV Parts and Accessories for sale. Please call us at 1-800-755-4775 for questions or help in finding the products you need.
Selling Your RV? Use the button to the left to request the free no-obligation booklet "9 Steps to Selling Your RV....Avoid Common Mistakes". These tips and "no-nos" could save you 1000's of dollars and help you avoid common mistakes in selling your RV. Return to top of Diesel Engine Exhaust Brakes Page
For additional items not found on this website, please visit our nationwide distributor's RV Parts and Accessories Catalog. This catalog has its own prices and shopping cart. Therefore, our special sale prices do not apply to orders from the distributor's catalog.
Telephone Order Lines are open from 7:00am until 7:30pm Mon-Fri Central
See Below for Hours of All other Services
PPL's RV Parts Superstore
10777 Southwest Freeway (Highway 59 South)
Houston, Texas 77074-9829
713-988-5555
1-800-755-4775
Hours: 8:00am-5:30pm CST Mon-Fri
9:00am-4:00pm CST Saturday
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