Blue Ox Exhaust Brakes
WM781
Blue Ox retarder devices provide downhill retarding horsepower as well as cold weather protection for the 4 stroke engine in both highway and idling modes. This unit is designed to mount in-line and down stream of the turbo or manifold flange. The WM781 is the smaller of the Blue Ox family and will mate with pipe sizes up to 3 1/2" as well as engine displacements up to 470 cubic inches.
Complete installation kits include
1. WM781 AK02 - 3 1/2" 12 volt manual type foot operated.
2. WM781 AK04 - 3 1/2" 12 volt automatic type throttle rod actuated.
3. WM781 AK06 - 3 1/2" 12 volt automatic type electronic engine controlled.
4. WM781 AK18 - 3 1/2" 12 volt automatic type electronic engine control.
(with air supply kit)
Item |
Part Number |
Quantity |
Description |
Item |
Part Number |
Quantity |
Description |
|
1 |
781-01 |
1 |
Housing |
12 |
728-18 |
1 |
Bushing |
|
2 |
790-02 |
1 |
Shaft |
13 |
728-28 |
4 |
Cap Screw |
|
3 |
790-03 |
1 |
Butterfly |
14 |
WM111C |
1 |
Breather |
|
4 |
160028 |
1 |
Bracket |
15 |
728-40 |
1 |
Hair Clip |
|
5 |
WM635B3B |
1 |
Cylinder |
16 |
728-55 |
1 |
Snap Ring |
|
6 |
728-07 |
1 |
Link |
17 |
728-29 |
5 |
Lock Washer |
|
7 |
115383 |
1 |
Clevis |
18 |
728-35 |
1 |
Shaft Nut |
|
8 |
790-09 |
2 |
Rivet |
19 |
728-36 |
1 |
Stop Screw |
|
9 |
728-09B |
2 |
Collar |
20 |
728-37 |
1 |
Jam Nut |
|
10 |
728-16 |
3 |
Seal Ring |
21 |
115171 |
1 |
Pin |
|
11 |
728-17 |
1 |
Bushing |
22 |
115159 |
1 |
Pin |