Blue Ox Exhaust Brakes
WM771/WM771A
Blue Ox retarder devices provide downhill retarding horsepower as well as cold weather protection for the 4 stroke engine in both highway & idling modes. This unit is designed to mount in-line and down stream of the turbo or manifold flange. The WM771 is the largest of the Blue Ox family and will mate with pipe sizes up to 5" as well as engine displacements generally of 466 to 855 cubic inches. Use WM902 mounting kits.
Complete installation kits include
1. WM771 AK02 - 4" 12 volt manual type foot operated.
2. WM771 AK04 - 4" 12 volt automatic type throttle rod actuated.
3. WM771 AK06 - 4" 12 volt automatic type electronic engine controlled.
4. WM771 AK12 - 5" 12 volt manual type foot operated.
5. WM771 AK14 - 5" 12 volt automatic type throttle rod actuated.
6. WM771 AK16 - 5" 12 volt automatic type electronic engine controlled.
7. WM771 AK18 - 3 1/2' 12 volt electronic engine air supply kit.
8. WM771 AK20 - 4" 12 volt electronic engine air supply kit.
Item |
Part Number |
Quantity |
Description |
Item |
Part Number |
Quantity |
Description |
|
1 |
771-01 |
1 |
Housing |
12 |
728-18 |
1 |
Bushing |
|
2 |
771-02 |
1 |
Shaft |
13 |
728-28 |
3 |
Cap Screw |
|
3 |
771-03 |
1 |
Butterfly |
14 |
728-23 |
1 |
Breather |
|
4 |
771-04 |
1 |
Bracket |
15 |
728-19 |
1 |
QR Valve |
|
5 |
728-05 |
1 |
Cylinder |
16 |
3325x2 |
1 |
Hex Nipple |
|
6 |
728-07 |
1 |
Link |
17 |
728-40 |
1 |
Hair Clip |
|
7 |
728-08 |
1 |
Clevis Assy. |
18 |
728-55 |
1 |
Snap Ring |
|
8 |
728-09A |
2 |
Rivet |
19 |
728-29 |
3 |
Lock Washer |
|
9 |
728-09B |
2 |
Collar |
20 |
728-35 |
1 |
Shaft Nut |
|
10 |
728-16 |
3 |
Seal Ring |
21 |
728-36 |
1 |
Stop Screw |
|
11 |
728-17 |
1 |
Bushing |
22 |
728-37 |
1 |
Stop Nut |
WM771A Kit Details
Item |
Kit Num. |
Size |
Pipe Kit |
Control Kit |
Install Kit |
Air Kit |
Application |
1 |
WM771AK0 2 |
4.0 |
902C |
532A |
736A |
||
2 |
WM771AK0 4 |
4.0 |
902C |
901E |
|||
3 |
WM771AK0 6 |
4.0 |
902C |
736A |
xxx |
||
4 |
WM771AK1 2 |
5.0 |
902B |
532A |
736A |
||
5 |
WM771AK1 4 |
5.0 |
902B |
901E |
|||
6 |
WM771AK1 6 |
5.0 |
902B |
736A |
xxx |
||
7 |
WM771AK1 8 |
3.5 |
902E |
736B |
734A |
Dodge |
|
8 |
WM771AK1 9 |
4.0 |
902C |
736B |
734A |
Dodge |
|
9 |
WM771AK2 0 |
4.0 |
902C |
736A |
734A |
Ford |
|
10 |
WM771AK2 1 |
4.0 |
902C |
540A |
901R |
FL50/FL70 |
|
11 |
WM771AK2 |
3.5 |
902E |
736A |
734A |
Ford |