Parts catalogs· Eaton

Eaton Model 54 / 64 Series 1 Parts Breakdown

Complete component breakdown for the Eaton Series 1 Model 54 and Model 64 heavy duty hydrostatic variable pumps (product numbers 5421, 5423, 6421, 6423), taken from Eaton parts list 6-608. The two frames share almost every part. Only six groups differ: the rotating group kit, piston slipper set, slipper retaining plate, cylinder barrel kit, bearing plate and valve plate. Rows that are model specific say so. Reference numbers match the exploded view above.

82 parts across 9 categories

Source: Eaton parts list 6-608, Hydrostatic Variable Pumps, Series 1, Models 33 thru 64

Rebuild guide: exploded views, torque specs and a 7 step procedure

Eaton Model 54 / 64 Series 1 exploded view diagram

Position numbers in the parts list below correspond to callouts on the diagram above. Tap a diagram to zoom in.

Seal Kits and Overhaul Kits 6 parts

KIT-01

Fits Model 54 and 64: sealing overhaul kit, variable PUMP

OEM 990090-000 · Eaton description: PV sealing overhaul kit; fits 5421, 5423, 6421, 6423

The pump kit. Does not include the drive shaft seal, which is a separate kit.

Qty 1

KIT-02

Fits Model 54 and 64: seal overhaul kit, MOTOR

OEM 990094-001 · Eaton description: seal overhaul kit 54/64; fits 5431, 5433 motors

The motor kit. Use 990090 for the variable pump.

Qty 1

KIT-03

Model 54: seal overhaul kit

OEM 990098-001 · Eaton description: seal overhaul kit 54; supersedes 990098-000

Send us your product number and we will confirm whether your unit takes this kit or 990090.

Qty 1

Ref 1

Fits Model 54 and 64: kit, shaft seal (face seal type)

OEM 990231

The shaft seal is never inside the sealing overhaul kit. 990231 is the face seal assembly used on pumps built before September 1999.

Qty 1

SEAL-99A

Fits Model 54 and 64: shaft seal kit, lip seal type, standard shaft

OEM 990709-000 · Contains drive shaft seal 108395, retaining ring 101680-250, spacer 107836-000

For units built after 1999. Eaton changed from the face seal to a lip seal in September 1999.

Qty 1

SEAL-99B

Fits Model 54 and 64: shaft seal kit, lip seal type, large seal and shaft

OEM 990753-000 · Contains drive shaft seal 110192, retaining ring 101680-250, spacer 107836-000

For large shaft units and all Series 2 units.

Qty 1

Drive Shafts, Ref 10 7 parts

Ref 10-A

Fits Model 54 and 64: shaft, 1-1/2 in. straight keyed

OEM 105074

Qty 1

Ref 10-B

Fits Model 54 and 64: shaft, 1-3/8 in. tapered

OEM 105054

Qty 1

Ref 10-C

Fits Model 54 and 64: shaft, 14 tooth 12/24 pitch

OEM 105050

Plain version, for pumps without a B-pad charge pump.

Qty 1

Ref 10-D

Fits Model 54 and 64: shaft, 14 tooth 12/24 pitch, splined drive end for B-pad charge pump

OEM 105072-000

In stock. Without the B-pad charge pump drive, the same 14 tooth shaft is 105050.

Qty 1

Ref 10-E

Fits Model 54 and 64: shaft, 21 tooth 16/32 pitch

OEM 105068

Qty 1

Ref 10-F

Fits Model 54 and 64: shaft, 23 tooth 16/32 pitch

OEM 105064

Qty 1

Ref 10-G

Fits Model 54 and 64: shaft, 23 tooth 16/32 pitch, splined drive end for B-pad charge pump

OEM 104375

Qty 1

Rotating Group, Model 54 and 64 differ 12 parts

Ref 14 (M54)

Model 54 only: kit, rotating group

OEM 990429

The Model 64 equivalent is 990431.

Qty 1

Ref 14 (M64)

Model 64 only: kit, rotating group

OEM 990431

The Model 54 equivalent is 990429.

Qty 1

Ref 15 (M54)

Model 54 only: sub-assembly, piston and slipper

OEM 101077

Nine per pump, supplied as a matched set. The Model 64 part is 103818.

Qty 9

Ref 15 (M64)

Model 64 only: sub-assembly, piston and slipper

OEM 103818

Nine per pump, supplied as a matched set. The Model 54 part is 101077.

Qty 9

Ref 16 (M54)

Model 54 only: plate, slipper retaining

OEM 103853

The Model 64 part is 103817.

Qty 1

Ref 16 (M64)

Model 64 only: plate, slipper retaining

OEM 103817

The Model 54 part is 103853.

Qty 1

Ref 20 (M54)

Model 54 only: kit, cylinder barrel

OEM 990414

The Model 64 kit is 990415.

Qty 1

Ref 20 (M64)

Model 64 only: kit, cylinder barrel

OEM 990415

The Model 54 kit is 990414.

Qty 1

Ref 21 (M54)

Model 54 only: plate, bearing

OEM 103852

The Model 64 part is 103814.

Qty 1

Ref 21 (M64)

Model 64 only: plate, bearing

OEM 103814

The Model 54 part is 103852.

Qty 1

Ref 13

Fits Model 54 and 64: plate, thrust

OEM 103809

Qty 1

Ref 19

Fits Model 54 and 64: kit, Series 1 hold down

OEM 990417

Qty 1

Valve Plate, Ref 22, model and rotation specific 8 parts

Ref 22 (M54 CW)

Model 54 only: plate, valve, clockwise, standard

OEM 105102

Qty 1

Ref 22 (M54 CCW)

Model 54 only: plate, valve, counterclockwise, standard

OEM 105103

Qty 1

Ref 22 (M54 CW propel)

Model 54 only: plate, valve, clockwise, propel

OEM 104503

Qty 1

Ref 22 (M54 CCW propel)

Model 54 only: plate, valve, counterclockwise, propel

OEM 105101

Qty 1

Ref 22 (M64 CW)

Model 64 only: plate, valve, clockwise, standard

OEM 105097

Qty 1

Ref 22 (M64 CCW)

Model 64 only: plate, valve, counterclockwise, standard

OEM 105098

Qty 1

Ref 22 (M64 CW propel)

Model 64 only: plate, valve, clockwise, propel

OEM 105095

Qty 1

Ref 22 (M64 CCW propel)

Model 64 only: plate, valve, counterclockwise, propel

OEM 105096

Qty 1

Mounting Flange and Bearings 9 parts

Ref 4

Fits Model 54 and 64: bolt, mounting flange

OEM 95864-125

Qty 12

Ref 5

Fits Model 54 and 64: strap, shipping

OEM 96559

Qty 2

Ref 6

Fits Model 54 and 64: sub-assembly, mounting flange

OEM 103803

Qty 1

Ref 7

Fits Model 54 and 64: cup, bearing

OEM 103808

Qty 1

Ref 8

Fits Model 54 and 64: dowel

OEM 98202

Qty 7

Ref 9

Fits Model 54 and 64: gasket, mounting flange

OEM 8826

Qty 1

Ref 11

Fits Model 54 and 64: bearing kit, mounting flange

OEM 990387

Qty 1

Ref 2

Fits Model 54 and 64: o-ring

OEM 8761-145

Qty 1

Ref 3

Fits Model 54 and 64: o-ring

OEM 104166-131

Qty 1

Swashplate and Trunnion 6 parts

Ref 12

Fits Model 54 and 64: sub-assembly, swashplate

OEM 104463

Qty 1

Ref 28

Fits Model 54 and 64: bolt, trunnion

OEM 95864-088

Qty 6

Ref 29

Fits Model 54 and 64: sub-assembly, trunnion

OEM 23591

Qty 2

Ref 30

Fits Model 54 and 64: kit, trunnion bearing

OEM 990024

Qty 2

Ref 31

Fits Model 54 and 64: o-ring, trunnion

OEM 8761-234

Qty 3

Ref 32

Fits Model 54 and 64: shim pack, trunnion

OEM 990013

Qty 2

Housing, Servo and Controls 13 parts

Ref 35

Fits Model 54 and 64: housing

OEM 103805

Qty 1

Ref 36

Fits Model 54 and 64: sub-assembly, servo piston

OEM 102638

Qty 2

Ref 37

Fits Model 54 and 64: retaining ring, external

OEM 95820-056

Qty 4

Ref 38

Fits Model 54 and 64: pin, linkage

OEM 95654

Qty 2

Ref 39

Fits Model 54 and 64: o-ring, servo

OEM 8761-234

Qty 2

Ref 40

Fits Model 54 and 64: o-ring, servo

OEM 8761-237

Qty 2

Ref 41

Fits Model 54 and 64: kit, servo sleeve

OEM 990038

Qty 2

Ref 42

Fits Model 54 and 64: retainer, servo

OEM 95844

Qty 2

Ref 43

Fits Model 54 and 64: screw, cap

OEM 95890-038

Qty 6

Ref 34

Fits Model 54 and 64: sub-assembly, o-ring plug

OEM 25083-004

Qty 1

Ref 70

Fits Model 54 and 64: sub-assembly, o-ring plug

OEM 25090-004

Qty 1

Ref 23

Fits Model 54 and 64: control option

OEM See control parts list

Manual, electric and hydraulic controls each have their own parts list. Send your product number and we will identify the control.

Qty 1

LPRV-SHIM

Fits Model 54 and 64: low pressure relief valve shim

OEM 5464LPShim1

Available in 0.3 mm, 0.5 mm and 1 mm thickness.

Qty 1

End Cover and Check Valves 20 parts

Ref 44

Fits Model 54 and 64: gasket, end cover

OEM 103042

Qty 1

Ref 45

Fits Model 54 and 64: kit, end cover bearing

OEM 990016

Qty 1

Ref 46

Fits Model 54 and 64: shim pack, shaft

OEM 990019

Qty 1

Ref 48

Fits Model 54 and 64: sub-assembly, check valve

OEM 101187

Qty 2

Ref 49

Fits Model 54 and 64: o-ring, check valve

OEM 8765-113

Qty 2

Ref 50

Fits Model 54 and 64: ring, back-up

OEM 8770-113

Qty 2

Ref 52

Fits Model 54 and 64: bolt, end cover

OEM 103091-300

Qty 6

Ref 53

Fits Model 54 and 64: bolt, end cover

OEM 103091-200

Qty 2

Ref 47 (M54 C61)

Model 54 only: end cover, 1 inch Code 61

OEM 50517

Qty 1

Ref 47 (M54 C61 tap)

Model 54 only: end cover, 1 inch Code 61 with pressure tap

OEM 101415

Qty 1

Ref 47 (M54 C61 IPOR)

Model 54 only: end cover, 1 inch Code 61 IPOR sub-assembly

OEM 103100

Qty 1

Ref 47 (M54 C62)

Model 54 only: end cover, 1 inch Code 62

OEM 102182

Qty 1

Ref 47 (M54 C62 IPOR)

Model 54 only: end cover, 1 inch Code 62 IPOR sub-assembly

OEM 103466

Qty 1

Ref 47 (M54 C62 tap)

Model 54 only: end cover, 1 inch Code 62 with pressure tap

OEM 101958

Qty 1

Ref 47 (M54 O-ring)

Model 54 only: end cover, 1 inch o-ring port

OEM 101492

Qty 1

Ref 47 (M64 C61)

Model 64 only: end cover, 1 inch Code 61

OEM 105080

Qty 1

Ref 47 (M64 C61 tap)

Model 64 only: end cover, 1 inch Code 61 with pressure tap

OEM 105107

Qty 1

Ref 47 (M64 C61 IPOR)

Model 64 only: end cover, 1 inch Code 61 IPOR sub-assembly

OEM 105177

Qty 1

Ref 47 (M64 C62)

Model 64 only: end cover, 1 inch Code 62

OEM 105081

Qty 1

Ref 47 (M64 C62 IPOR)

Model 64 only: end cover, 1 inch Code 62 IPOR sub-assembly

OEM 105142

Qty 1

Charge Pump, Ref 54 1 part

Ref 54

Fits Model 54 and 64: charge pump

OEM See charge pump parts list

Standard, A-pad and B-pad charge pumps each have their own parts list. A B-pad charge pump also changes which drive shaft the pump takes, see Ref 10.

Qty 1

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