Skip to Main Content

DriveMaster PolarExtreme: 999857

Horton Service # 999857 Horton OEM # 989857

Clutch Type: DriveMaster PolarExtreme

Replacement Options

DM Advantage Two-Speed Reman

DM Advantage On/Off

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 - Bearing Spacer	CLUTCH PACK KIT	DMA CONVERSION BEARING KIT (DM Only)	DMA CONVERSION SUPER KIT (DM Only)	SEAL KIT
Service # 999857 OEM # 989857	18370	18369	15051	1S-DP-CP	995584	995575 or KQ795568	994346
Service # 999857 OEM # 989857	Use 2S- DP-CP Clutch Pack and 995584 Bearing Kit for Two Speed Upgrade Repair / Replace

Notes

Use 2S- DP-CP Clutch Pack and 995584 Bearing Kit for Two Speed Upgrade