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Trailer Components

Actuators

Disc Brake Actuators

Last Updated on Monday, 27 October 2008 09:25

Actuators are classified by GVWR

6,000 lb. G.V.W.R.
2 - 1.2" x 4 1.2" grade 5 bolts are required in mounting of straight actuators. 600 lb. maximum tongue load on 6,000 lb. G.V.W.R actuators. G.V.W.R. . Limited to coupler rating. Plated actuator may be used in a marine application.
Item#	Type	Description	Weight	Image	Manual
8605101	DA66B	Plated, lever lock coupler Includes factory installed blocking solenoid kit	22		BH20030 DA66B Brake Actuator Operators Manual (1.27 MB)


8,000 lb. G.V.W.R.
1.2" x 4 1.2" grade 5 bolts are used in mounting of straight actuators. 800 lb. maximum tongue load or10% of G.V.W.R of coupler, vehicle, ball or trailer. Plated actuator may be used in a marine application. DA91 actuator utilizes Acetal Copolymer linings. Rollers are eliminated. G.V.W.R. . Limited to coupler rating. Emergency lever support and guide ring (on DA91 series). Custom mounting available upon request (50 quantity minimum).
Item#	Type	Description	Weight
8758811	DA91	Plated, 2 5/16" eZ-LATCH, drop tube, standard outer case	52		Bh20004 DA91 Prior to 4-1-2002 (980.44 kB) BH20023 - DA91 After 4-1-2004 (983.48 kB)
8758721	DA91	Plated, channel center, standard outer case	48
8758911	DA91	Plated, 2 5/16" eZ-LATCH, drop tube, 5-hole mount	52
With bypass solenoid kits installed
8758411	DA91	Plated, 2 5/16" eZ-LATCH, drop tube, standard outer case	54
8750311	DA91	Plated, 2 5/16" eZ-LATCH, drop tube, 5-hole mount	54
With blocking solenoid kits installed
8750411	DA91	Plated, 2 5/16" eZ-LATCH, drop tube, standard outer case	39
8759422	DA91	Primed, channel center, standard outer case	54
Bypass solenoid kits for disc brakes (fit both DA91 and DA10 actuators).
5752	DA91	Solenoid kit (factory installed)	2
5750	DA91	Solenoid kit (field installed)	2
Blocking solenoid kit for disc brakes (fits DA91 actuator).
5837	DA91	Solenoid kit (field installed)	2
Note: Solenoid kit design is subject to change at Demco's discretion.
Note: Demco eZ-LATCH Couplers are Patent Pending.
8,600 lb. G.V.W.R.
3 - 1.2" x 4 1.2" grade 5 bolts are required in mounting of straight actuators. 860 lb. maximum tongue load or 10% of G.V.W.R of coupler, vehicle, ball or trailer. Plated actuator may be used in a marine application.
Item#	Type	Description	Weight
8608611	DA86	Plated, 2" eZ-LATCH, bolt on case, includes blocking solenoid	22		BH20031 - DA86 Brake Actuator Manual (1.59 MB)
8608711	DA86	Painted black, eZ-LATCH bolt on case, includes blocking solenoid	22
NOTE: Demco 2" eZ-LATCH Couplers are Patent Pending.

12,500 lb. G.V.W.R.
1.2" x 4 1.2" grade 5 bolts are required to mount actuators. 1,250 lb. maximum tongue load or 10% of G.V.W.R of coupler, vehicle, ball or trailer. DA10 actuators utilize Acetal Copolymer linings. Rollers are eliminated. DA10 actuators may be ordered with or without various couplers. All DA10 models with coupler adjusting channels have 3" inside dimensions. Emergency lever support and guide ring standard on DA10 series. Custom mounting available upon request (50 quantity minimum).
Item#	Type	Description	Weight
8104411	DA10	Plated, 2 5/16" eZ-LATCH, drop tube, *universal outer case fluid return hole only, less solenoid	52		Bh20002 - DA10 Prior to 4-1-2002 (552.5 kB) BH20022 - DA10 After 4-1-2002 (1.29 MB)

8103511	DA10	Plated, 2 5/16" eZ-LATCH, drop tube, standard outer case	54
8103802	DA10	Primed, straight tube, 2 5/16" eZ-LATCH, no mount outer case	50
With bypass solenoid kits installed
8104002	DA10	Primed, straight tube, 2 5/16" eZ-LATCH, no mount outer case	54
8104111	DA10	Plated, 2 5/16" eZ-LATCH, drop tube, standard outer case	56
8104311	DA10	Plated, 2 5/16" eZ-LATCH, drop tube, *universal outer case	56
* Universal - 5 hole mount consists of 3 1/2" holes and 2 5/8" holes.
Standard - 5 hole mount consists of 5 1/2" holes.
With blocking solenoid kits installed
8104611	DA10	Plated, 2 5/16" eZ-LATCH, drop tube, standard outer case	55
8104932	DA10	Primed, 12" channel down, standard outer case	56
Bypass solenoid kits for disc brakes (fit both 8,000 and 12,000 lb. G.V.W.R. actuators).
5752	DA10	Solenoid kit (factory installed)	2
5750	DA10	Solenoid kit (field installed)	2
Note: Solenoid kit design is subject to change at Demco's discretion.
Note: Demco eZ-LATCH couplers are Patent Pending
20,000 lb. G.V.W.R.
DA20 available in either weld-on or bolt-on mounts. 2000 lb. maximum tongue load on 20,000 lb. G.V.W.R. actuators. DA20 actuators utilize Acetal Copolymer linings. Rollers are eliminated. DA20 actuators may be ordered with or without various couplers. All DA20 models with coupler adjusting channels have 3" inside dimensions. Emergency lever guide and guide ring on DA20. Note: All DA20 disc brake actuators feature a 1 1.4" aluminum master cylinder. (50% more displacement and higher pressure) Custom mounting available upon request (50 quantity minimum).
Item#	Type	Description	Weight
8203102	DA20	Primed, 2 5/16" eZ-LATCH, straight tube, no mount outer case	69		Bh20001 - DA20 Prior to 4-1-2002 (618.13 kB) BH20021 - DA20 After 4-1-2002 (1.5 MB)
8203201	DA20	Plated, 2 5/16" eZ-LATCH, straight tube, 3 hole outer case	70
8204111	DA20	Plated, 2 5/16" eZ-LATCH, drop tube, 5 hole mount outer case	70
8204701	DA20	Plated, 2 5/16" eZ-LATCH, straight tube, primed, no mount outer case	70
8204211	DA20	Plated, 2 5/16" eZ-LATCH, drop tube, 5 hole mount outer case
		(With return hole, less solenoid)	70
* Universal - 5 hole mount consists of 3 1/2" holes and 2 5/8" holes.
Standard - 5 hole mount consists of 5 1/2" holes.
Note: Bypass solenoids must be installed on DA20 disc brake actuators.
With bypass solenoid kits installed
8204311	DA20	Plated, 2 5/16" eZ-LATCH, drop tube, 5 hole mount outer case	72
8203711	DA20	Plated, 2 5/16" eZ-LATCH, drop tube, 3 hole mount outer case	72
Bypass solenoid kits for disc brakes (fit 20,000 lb. G.V.W.R. actuators).
5755	DA20	Solenoid kit (factory installed)	2
5753	DA20	Solenoid kit (field installed)	2
NOTE: Demco 2 5/16" eZ-LATCH Couplers are Patent Pending.