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post #1 of 9 (permalink) Old 06-23-2017, 09:47 AM Thread Starter
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Hydro Gear part numbers

I downloaded the HydroGear service and repair manual for my new (used) ZT-2800.. It has a few short pages in the back with a parts breakout. My problem is...there are no part numbers! The parts breakdown only lists item numbers, like "48". But the crossover table to a real HydroGear part number is not included. (Hydrogear part numbers should have seven digits)

Does anyone have a source for real HydroGear part numbers?
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post #2 of 9 (permalink) Old 06-23-2017, 11:24 AM
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They sure do seem to want to hide the actual parts numbers Kinda like JD renumbering every single Kawasaki part number they use to their own number sequence. The HG parts/attribute tables are either extremely hard to find, or they have done some work to make them unavailable. From random hits on parts and different sights, it appears the parts are all priced identical (the JD model), so calling HG direct and giving them the part reference number appears to be the only way (or at least the way HG intended it to be). I did find Sears Parts Direct having a ZT-2800 schematic and they list 5 digit part numbers that come back to individual HG parts.
Problem is, their diagram of the tranny is obviously taken from the HG manual and does not enlarge very well at all.
I guess if you really needed a few parts only, you could open the sears one and the HG service manual diagram and go back and fourth to see the part reference number (they do appear to use the same reference numbers as the HG manual).
HYDRO GEAR Transaxle Transaxle-left hand Parts | Model ZT2800 | Sears PartsDirect
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post #3 of 9 (permalink) Old 06-23-2017, 12:32 PM Thread Starter
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Now THATs really helpful!
I cut the numbers from the site, and scrubbed them in excel.

Here's the list after scrubbing.
I noticed some of the Sears descriptive text is wrong, yet the hydrogear part number referenced is correct. So I just deleted all the Sears descriptive text, and left only the Part Catalog Item Number and HydroGear P/N.

Item number is the top number, Hydrogear P/N is beneath the item number.

For ZT-2800:


1

Parts #: 71421

2

Parts #: 71574

7

Parts #: 53246

10

Parts #: 51804

11

Parts #: 9005110-5600

13

Parts #: 50928

22

Parts #: 51448

23

Parts #: 421186 Substitution: 539113466

26

Parts #: 52162

27

Parts #: 52137

30

Parts #: 51626

31

Parts #: 51628

32

Parts #: 52136

33

Parts #: 51627

34

Parts #: 52370

35

Parts #: 51630 Substitution: STD523107

40

Parts #: 51048

41

Parts #: 51140

45

Parts #: 44130

46

Parts #: 51812

55

Parts #: 50951

57

Parts #: 50329

60

Parts #: 51462

64

Parts #: 71579

65

Parts #: 50551

69

Parts #: 70723

70

Parts #: 44371

71

Parts #: 44145

72

Parts #: 52149

73

Parts #: 52150

74

Parts #: 51069

80

Parts #: 50132

81

Parts #: 52148

82

Parts #: 52583

83

Parts #: 51083

90

Parts #: 50859

91

Parts #: 52108

92

Parts #: 53336

93

Parts #: 44121

95

Parts #: 50771

96

Parts #: 50772

97

Parts #: 71446

99

Parts #: 50863

100

Parts #: 52776

101

Parts #: 52651

102

Parts #: 52639

103

Parts #: 52027

105

Parts #: 50752

106

Parts #: 52247

111

Parts #: 71393

120

Parts #: 52576

122

Parts #: 44133

123

Parts #: 51076

130

Parts #: 52157 Substitution: 54501

131

Parts #: 50273

132

Parts #: 52250 Substitution: STD333775

133

Parts #: 52688

134

Parts #: 50752

140

Parts #: 52527

141

Parts #: 51946

142

Parts #: 51616

146

Parts #: 51950

147

Parts #: 51833

200

Parts #: 71410

201

Parts #: 71563

202

Parts #: 71436

203

Parts #: 71411

207

Parts #: 71833

209

Parts #: 71459

210

Parts #: 71442 Substitution: 401042

211

Parts #: 71593

212

Parts #: 71570
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Last edited by Cyclehead; 06-23-2017 at 02:22 PM.
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post #4 of 9 (permalink) Old 06-23-2017, 02:43 PM Thread Starter
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It would be nice if other folks would do the same for the other HydroGear units. This might become a handy reference.
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post #5 of 9 (permalink) Old 06-23-2017, 04:52 PM
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Cycle, that's pretty cool what you did with the text and numbers
Is that an easy cut and paste, highlight and delete type procedure, or do you need an app or program to do it?
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post #6 of 9 (permalink) Old 06-23-2017, 08:48 PM Thread Starter
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Quote:
Originally Posted by jtclays View Post
Cycle, that's pretty cool what you did with the text and numbers
Is that an easy cut and paste, highlight and delete type procedure, or do you need an app or program to do it?
Nothing fancy here, just cut/paste. Then a few sorts in excel to weed out all the unnecessary stuff. Maybe one paste "columns to rows". I had to run through one time manually to get them to look right.
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post #7 of 9 (permalink) Old 06-24-2017, 01:40 AM
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Sears is a really good source but once in awhile they get it wrong especially if there are revisions to the same model number. Always a good idea to try and cross check with a manufacture diagram if you can find one that might have a further breakdown based or serial number range or added model code numbers extensions depending what your trying to look up.

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post #8 of 9 (permalink) Old 06-28-2017, 10:02 AM Thread Starter
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Quote:
Originally Posted by jtclays View Post
... I did find Sears Parts Direct having a ZT-2800 schematic and they list 5 digit part numbers that come back to individual HG parts.
Problem is, their diagram of the tranny is obviously taken from the HG manual and does not enlarge very well at all.
I guess if you really needed a few parts only, you could open the sears one and the HG service manual diagram and go back and fourth to see the part reference number (they do appear to use the same reference numbers as the HG manual).
HYDRO GEAR Transaxle Transaxle-left hand Parts | Model ZT2800 | Sears PartsDirect
I dug through the sears site and I can't get it to cough up a breakdown for ZT-3100. Does anyone have the same crossover (Hydrogear part numbers) info for Hydro-Gear ZT-3100?
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post #9 of 9 (permalink) Old 06-28-2017, 04:59 PM Thread Starter
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ZT-3100 Part Numbers

I found a list of part numbers on a Scag website. They cruelly had renumbered the entire parts blowup with new "Scag" item numbers, but the drawing was obviously the same - copied from HydroGear. With some patience I crossed over all the item numbers. A spot check seems like the nomenclatures all match up.

Here's the result below.

Hydro-Gear parts catalog item number is first.
Hydro-Gear part number follows.
Hydro-Gear nomenclature follows (last).

ZT-3100
==============

1

HG71413

Kit, Housing RH

HG71421

Kit, Housing LH

2

HG71572

Kit, Side Cover RH

HG71574

Kit, Side Cover LH

7

HG51190

Bolt, Hex Head 1/4-20 x 1-11/4"

10

HG51804

O-Ring

11

HG9005110-5600

Plug, 9/16-18

22

HG71448

Plate, By-Pass

23

HG52114

Filter

30

HG51626

Seal, Lip .375 x .75 x .25

31

HG51628

Ring, .Retaining .375 External

32

HG52136

Rod, By-Pass

34

HG51627

Ring, Retaining .750 Internal

35

HG51329

HG51630

Arm, By-Pass

Ring, Retaining .375 External

40

HG51048

Trunnion Swashplate

41

HG51140

Seal, Lip 18 x 32 x 7

44

HG52682

Arm, Control

45

HG44130

Washer, .34 x .88 x .06

46

HG51812

Bolt, 5/16-24 x 1" Patch

52

462182 (replaces HG52155)

Shaft, Input

53

HG50315

Bearing, Ball 17 x 40 x 12 Open

53

483948

Alternative for HG50315: Bearing, Ball 17 x 40 x 12 Open

54

HG2000022

Ring, Retaining Wire

55

HG50951

Washer, 1.23 x 1.56 x .04

56

HG51161

Seal, Lip 17 x 40 x 7

57

HG50329

Ring, Retaining 2.06 Internal

60

HG51462

Thrust Bearing

64

HG71579

Kit, Motor Cylinder Block

65

HG50551

Thrust Bearing

69

HG70723

Kit, Cylinder Block

70

HG44371

Washer, .63 x 1.0 x .05

71

HG44145

Ring, Retaining

72

HG52344

Gear, 16T

(SFZ36)

72

HG52341

Gear, 14T

73

HG52150

Shaft, Motor

74

HG51069

Washer, .72 x 1.16 x .04

80

HG50132

Washer, .5 x 1.0 x .03

81

HG52148

Gear, 43T

(SFZ36)

81

HG52110

Gear, 45T

82

HG52586

Gear, 11T

83

HG51083

Jackshaft Pin

90

HG50859

Ring, Retaining 2.06 Internal

91

HG52108

Gear, 54T

92

HG52161

Spacer, .75 x 1.0 x .257

93

HG44121

Bearing, Ball .75 x 40 x 12

94

HG71570

Shaft Kit, Axle

(SFZ36)

94

HG71569

Shaft Kit, Axle

95

HG50771

Bearing, Ball 1.0 x 52 x 15 Open

96

HG50772

Seal, Lip 25 x 52 x 10 TC Gray

97

HG71446

HG71505

Hub Kit

(SFZ36)

99

HG50863

Nut, Hex Locking

100

HG52641

Pawl, Brake

101

HG52640

Shaft, Brake

102

HG52639

Handle, Brake

103

HG52027

Clip, Retaining

105

HG50752

Bolt, 1/4-20 x 3/4"

106

HG52257

Filter Guard

111

482800-03

Fitting

120

HG52576

Fan, 7" Dai.

(10 Blade) - (SFZ36)

120

HG72125 (replaces HG51862)

Fan, 7" Dai.

(10 Blade)

121

HG50302

Pulley, Cupped 4-1/2" Dia

(SFZ36)

121

HG52364

Pulley, Cupped 4-1/2" Dia

121

HG52366

Hub, Pulley

122

HG51244

Nut, Hex Locking 1/2-20

123

HG51523

Washer, Slotted

140

HG52527

Spacer, .320 x 1.005 x .179

141

HG51945

Arm, Neutral RH

HG51946

Arm, Neutral LH

142

HG51616

Bolt, 5/16-24 x 1" Patch

146

HG51950

Washer, .343 x 1.5 x .062

147

HG51605

Spring

207

HG71512

Kit, Fan & Pulley

(SFZ36)

207

HG70489

Kit, Fan & Pulley

211

HG71595

Kit, RTN Assembly



HG71410

Seal Kit



HG71436

Kit, Charge Relief



HG71411

Kit, Charge Pump



HG72274

Alternative for HG71411: Kit, Charge Pump



HG71436

Kit, Charge Relief



HG71565

Kit, Center Section RH



HG71566

Kit, Center Section LH
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