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DriveMaster: 999400

Horton Service # 999400 Horton OEM # 989400

This product can be used as a replacement part for:Mack (service) 40MH424AM

Clutch Type: DriveMaster

Replacement Options

DM Advantage Two-Speed Reman

Repair Kits

Repair Kit Options

Part Components

View Full List of Components

Standard Parts List

	Item	Description	Qty	Comments
	1	JOURNAL BRACKET	1
	2*	SHEAVE BEARINGS	1 OR 2
	3	SHEAVE	1
	4*	BEARING NUT	1
	5	AIR CHAMBER CAP	1
	6*	O-RING SEAL	1
	9*	FAN MOUNTING DISC/STUDS	1
	17*	BUTTON HEAD SCREWS	8
	18*	AIR CHAMBER SEAL	1
	20*	FACE SEAL	1
	22*	RETAINING RING	1
	23*	AIR CARTRIDGE ASSEMBLY	1
	24*	RETAINING RING	1
	28*	FRICTION LINER	1
	44	BEARING SPACER	1
	50*	CLUTCH PACK - SPRING HOUSING/PISTON	1
	55*	CAGE NUT (USED FOR REPAIRS ONLY)	1

	Item 1	Item 3	Item 44	CLUTCH PACK KIT	DMA CONVERSION BEARING KIT (DM Only)	DMA CONVERSION SUPER KIT(DM Only)	FRICTION DISC KIT	FRICTION LINER KIT	SEAL KIT
Service # 999400 OEM # 989400	17547	17901	12246	1S-DP-CP	995574	1S-DP	994348	994349	994346
Service # 999400 OEM # 989400	Replaced by 79A9492-2 Repair / Replace

Notes

Replaced by 79A9492-2