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  Classen RA-21 Reciprocating Aerator Parts
Classen Reciprocating Aerator Replacement For Model RA-21

Classen Reciprocating Aerator Replacement Parts For Model RA-21

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Questions & Answers for Classen RA-21

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Showing All Parts
Page A
Classen RA-21 Reciprocating Aerator Page A Diagram
 Fig #
1
Bumper
 $105.75

Part Number:C400237.1

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $105.75
Usually ships in 7 - 12 business days
 $105.75
2
Main Deck Obsolete - Not Available
 $794.15

Part Number:C400414

Discontinued

Discontinued
 $794.15
Discontinued
3
Nut, 5/8 18 Fine Jam Nyloc Obsolete - Not Available
 $2.99

Part Number:C500286

Discontinued

Discontinued
 $2.99
Discontinued
4
Main Handle Weldment Obsolete - Not Available
 $344.62

Part Number:C400418

Discontinued

Discontinued
 $344.62
Discontinued
5
Tine Handle Obsolete - Not Available
 $127.40

Part Number:C400425

Discontinued

Discontinued
 $127.40
Discontinued
6
Crank Tension Bail Obsolete - Not Available
 $71.21

Part Number:C400428

Discontinued

Discontinued
 $71.21
Discontinued
7
Tine Bushing Obsolete - Not Available
 $8.02

Part Number:C400429

Discontinued

Discontinued
 $8.02
Discontinued
8
Spacer Bushing Obsolete - Not Available
 $6.72

Part Number:C400448

Discontinued

Discontinued
 $6.72
Discontinued
9
Handle Lock Ring
 $7.53

Part Number:C100251

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $7.53
Usually ships in 7 - 12 business days
 $7.53
10
3/8
 $4.99

Part Number:C500129

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.99
Usually ships in 7 - 12 business days
 $4.99
11
5/16x3/4
 $4.99

Part Number:C500140

In Stock

In Stock
 $4.99
In Stock
 $4.99
12
5/16x1-3/4 Bolt
 $3.99

Part Number:C500074

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
13
3/8
 $3.99

Part Number:C500146

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
14
3/8 Lock Nut
 $3.99

Part Number:C500041

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
15
3/8 Flat Washer
 $3.99

Part Number:C500042

In Stock

In Stock
 $3.99
In Stock
 $3.99
16
5/16 Lock Nut
 $4.99

Part Number:C500169

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.99
Usually ships in 7 - 12 business days
 $4.99
17
5/16 Flat Washer
 $3.99

Part Number:C500083

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
18
5/16x1-1/2 Bolt
 $4.99

Part Number:C500147

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.99
Usually ships in 7 - 12 business days
 $4.99
19
3/8x2 Bolt
 $3.99

Part Number:C500091

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
20
5/32x1-1/2 Cotter Pin
 $3.99

Part Number:C500016

In Stock

In Stock
 $3.99
In Stock
 $3.99
21
Pulley, Clutch Cable Support
 $13.14

Part Number:C100270

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $13.14
Usually ships in 7 - 12 business days
 $13.14
22
Nut, 5/8-18 Nf Jam
 $3.99

Part Number:C500077

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
23
3/8x1-1/4 Bolt
 $3.99

Part Number:C500134

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
24
Bolt, 5/8 X 5 Obsolete - Not Available
 $12.97

Part Number:C500287

Discontinued

Discontinued
 $12.97
Discontinued
25
1/4x1-1/4 Bolt
 $3.99

Part Number:C500218

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
26
1/4 Nut
 $4.99

Part Number:C500136

In Stock

In Stock
 $4.99
In Stock
 $4.99
27
Cable, Board Lift Obsolete - Not Available
 $13.99

Part Number:C100657

Discontinued

Discontinued
 $13.99
Discontinued
28
Cable, Tine Enggmnt Obsolete - Not Available
 $13.99

Part Number:C100656

Discontinued

Discontinued
 $13.99
Discontinued
29
Tire & Wheel Assembly
 $123.02

Part Number:C100103

In Stock

In Stock
 $123.02
In Stock
 $123.02
30
Tire 9" Wheel Obsolete - Not Available
 $63.23

Part Number:C100648

Discontinued

Discontinued
 $63.23
Discontinued
800
Wire. 14ga, Red-30
 $3.99

Part Number:C200036

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
800
Switch - On/Off Rocker Obsolete - Not Available
 $30.18

Part Number:C100691

Discontinued

Discontinued
 $30.18
Discontinued
800
Spade, Rd Female Obsolete - Not Available
 $4.99

Part Number:C100705

Discontinued

Discontinued
 $4.99
Discontinued
800
Eyelet - 1/2: Round X 14Ga Obsolete - Not Available
 $2.99

Part Number:C100707

Discontinued

Discontinued
 $2.99
Discontinued
800
Eyelet - 3/16 X 14Ga Obsolete - Not Available
 $2.99

Part Number:C100708

Discontinued

Discontinued
 $2.99
Discontinued
800
Wire Nut Obsolete - Not Available
 $2.99

Part Number:C100714

Discontinued

Discontinued
 $2.99
Discontinued
800
Spade - Round Male Obsolete - Not Available
 $2.99

Part Number:C100704

Discontinued

Discontinued
 $2.99
Discontinued
800
Label - On/Off Obsolete - Not Available
 $2.99

Part Number:C100718

Discontinued

Discontinued
 $2.99
Discontinued
Page B
Classen RA-21 Reciprocating Aerator Page B class=
 Fig #
1
Main Deck Obsolete - Not Available
 $794.15

Part Number:C400414

Discontinued

Discontinued
 $794.15
Discontinued
2
Top Crossbar Weldment Obsolete - Not Available
 $142.25

Part Number:C400417

Discontinued

Discontinued
 $142.25
Discontinued
3
Bearing Mount Obsolete - Not Available
 $20.57

Part Number:C400420

Discontinued

Discontinued
 $20.57
Discontinued
4
Right Side Guard Weldment Obsolete - Not Available
 $69.58

Part Number:C400449

Discontinued

Discontinued
 $69.58
Discontinued
5
Left Side Guard Weldment Obsolete - Not Available
 $73.82

Part Number:C400438

Discontinued

Discontinued
 $73.82
Discontinued
6
Side Guard Bushing Obsolete - Not Available
 $18.29

Part Number:C400446

Discontinued

Discontinued
 $18.29
Discontinued
7
5/16 Lock Washer
 $4.99

Part Number:C500115

In Stock

In Stock
 $4.99
In Stock
 $4.99
8
5/16x3/4
 $4.99

Part Number:C500140

In Stock

In Stock
 $4.99
In Stock
 $4.99
9
Latch Rubber Hood Obsolete - Not Available
 $15.48

Part Number:C100665

Discontinued

Discontinued
 $15.48
Discontinued
10
Bolt, 3/8-16 X 2-1/2
 $12.05

Part Number:C500020

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $12.05
Usually ships in 7 - 12 business days
 $12.05
11
3/8x1 Bolt
 $3.99

Part Number:C500043

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
12
1/2 Lock Nut
 $3.99

Part Number:C500131

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
13
5/16x1 Bolt
 $4.99

Part Number:C500133

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.99
Usually ships in 7 - 12 business days
 $4.99
14
5/16 Flat Washer
 $3.99

Part Number:C500083

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
15
5/16x1-1/2 Bolt
 $4.99

Part Number:C500147

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.99
Usually ships in 7 - 12 business days
 $4.99
16
5/16
 $4.99

Part Number:C500101

In Stock

In Stock
 $4.99
In Stock
 $4.99
17
Grease Fitting, 1/4x28
 $4.99

Part Number:C500001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.99
Usually ships in 7 - 12 business days
 $4.99
18
1/2x2 Bolt
 $3.99

Part Number:C500149

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
19
1/2x1-1/2 Bolt
 $3.99

Part Number:C500150

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
20
Bearing, Plated Flange W/ Coll
 $33.59

Part Number:C100247

In Stock

In Stock
 $33.59
In Stock
 $33.59
21
1/4x3/4 Bolt
 $3.99

Part Number:C500029

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
22
Washer, 10-24 Lock Obsolete - Not Available
 $3.38

Part Number:C500263

Discontinued

Discontinued
 $3.38
Discontinued
23
Pulley, 2Bk47 Obsolete - Not Available
 $2.99

Part Number:100651

Discontinued

Discontinued
 $2.99
Discontinued
24
Coupler Shaft, Recip Obsolete - Not Available
 $113.65

Part Number:C200058

Discontinued

Discontinued
 $113.65
Discontinued
25
Engine - Honda Gx160 Obsolete - Not Available
 $1,418.12

Part Number:C100715

Discontinued

Discontinued

Note: Used on RA-21H Model
 $1,418.12
Discontinued
25
Engine - B & S Intek 850
 $967.98

Part Number:100482

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Used on RA-21B Model
 $967.98
Usually ships in 7 - 12 business days
 $967.98
25
Bracket, B & S Engine Obsolete - Not Available
 $31.51

Part Number:C400431

Discontinued

Discontinued

Note: Used on RA-21B Model
 $31.51
Discontinued
26
Kill Switch Obsolete - Not Available
 $45.26

Part Number:C100649

Discontinued

Discontinued
 $45.26
Discontinued
27
Plastic Cover, Front Obsolete - Not Available
 $189.82

Part Number:C100690

Discontinued

Discontinued
 $189.82
Discontinued
28
Plastic Cover, Back Obsolete - Not Available
 $182.18

Part Number:C100689

Discontinued

Discontinued
 $182.18
Discontinued
29
5/16x1-3/4 Bolt
 $3.99

Part Number:C500074

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
30
Bolt #10-24 X 1 Obsolete - Not Available
 $2.99

Part Number:C500290

Discontinued

Discontinued
 $2.99
Discontinued
31
Nut. #10 Obsolete - Not Available
 $2.99

Part Number:C500269

Discontinued

Discontinued
 $2.99
Discontinued
800
Classen Decal
 $4.99

Part Number:C100074

In Stock

In Stock
 $4.99
In Stock
 $4.99
800
Decal, Danger
 $4.99

Part Number:C100069

In Stock

In Stock
 $4.99
In Stock
 $4.99
800
Decal, All Guards
 $3.99

Part Number:C100096

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
800
Adjusting Arm Bolt And Pin
 $13.41

Part Number:100504

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $13.41
Usually ships in 7 - 12 business days
 $13.41
800
Decal - Ca Emission Obsolete - Not Available
 $2.99

Part Number:100505

Discontinued

Discontinued
 $2.99
Discontinued
800
Decal - Ra-21 Obsolete - Not Available
 $2.99

Part Number:C100716

Discontinued

Discontinued
 $2.99
Discontinued
800
Decal, Caution-muffler Ans Sh
 $3.99

Part Number:C100060

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
800
Decal, Danger - Carbon Monoxi
 $3.99

Part Number:C100070

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
800
Edging Strip, Rubber Obsolete - Not Available
 $9.89

Part Number:C100725

Discontinued

Discontinued
 $9.89
Discontinued
Page C
Classen RA-21 Reciprocating Aerator Page C class=
 Fig #
1
Main Deck Obsolete - Not Available
 $794.15

Part Number:C400414

Discontinued

Discontinued
 $794.15
Discontinued
2
Right Upright Support Obsolete - Not Available
 $62.20

Part Number:C400416

Discontinued

Discontinued
 $62.20
Discontinued
3
Belt Tensioner Obsolete - Not Available
 $26.19

Part Number:C400419

Discontinued

Discontinued
 $26.19
Discontinued
4
Right Uhmw Guide Arm Obsolete - Not Available
 $43.65

Part Number:C400422

Discontinued

Discontinued
 $43.65
Discontinued
5
Left Uhmw Guide Arm Obsolete - Not Available
 $35.41

Part Number:C400423

Discontinued

Discontinued
 $35.41
Discontinued
6
Uhmw Block
 $197.71

Part Number:C100677

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $197.71
Usually ships in 7 - 12 business days
 $197.71
7
Belt Tension Arm Obsolete - Not Available
 $121.28

Part Number:C400426

Discontinued

Discontinued
 $121.28
Discontinued
8
Idler Pulley Bushing Obsolete - Not Available
 $6.19

Part Number:C400427

Discontinued

Discontinued
 $6.19
Discontinued
9
Tension Arm Bushing Obsolete - Not Available
 $13.82

Part Number:C400442

Discontinued

Discontinued
 $13.82
Discontinued
10
3/8 Lock Washer
 $3.99

Part Number:C500130

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
11
3/8
 $4.99

Part Number:C500129

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.99
Usually ships in 7 - 12 business days
 $4.99
12
5/16 Lock Washer
 $4.99

Part Number:C500115

In Stock

In Stock
 $4.99
In Stock
 $4.99
13
5/16x1-1/2 Bolt
 $4.99

Part Number:C500147

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.99
Usually ships in 7 - 12 business days
 $4.99
14
1/2 Flat Washer
 $4.99

Part Number:C500034

In Stock

In Stock
 $4.99
In Stock
 $4.99
15
1/2 Lock Nut
 $3.99

Part Number:C500131

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
16
3/8x1 Bolt
 $3.99

Part Number:C500043

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
17
3/8 Lock Nut
 $3.99

Part Number:C500041

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
18
3/8 Flat Washer
 $3.99

Part Number:C500042

In Stock

In Stock
 $3.99
In Stock
 $3.99
19
3/8x1-1/4 Bolt
 $3.99

Part Number:C500134

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
20
5/16 Flat Washer
 $3.99

Part Number:C500083

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
21
5/16
 $4.99

Part Number:C500101

In Stock

In Stock
 $4.99
In Stock
 $4.99
22
1/2-inchx2-1/2-inch Bolt
 $3.99

Part Number:C500135

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
23
1/4x1-1/4 Bolt
 $3.99

Part Number:C500218

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
24
Grease Fitting, 1/4x28
 $4.99

Part Number:C500001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.99
Usually ships in 7 - 12 business days
 $4.99
25
Bolt 3/8-16 X 2.25 Hhcs Obsolete - Not Available
 $2.99

Part Number:500265

Discontinued

Discontinued
 $2.99
Discontinued
26
3/8-inchx3-1/2-inch Bolt
 $3.99

Part Number:C500170

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
27
5/16x1 Bolt
 $4.99

Part Number:C500133

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.99
Usually ships in 7 - 12 business days
 $4.99
28
1/2x2 Bolt
 $3.99

Part Number:C500149

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
29
Tine Drive Belt Obsolete - Not Available
 $37.83

Part Number:C100681

Discontinued

Discontinued
 $37.83
Discontinued
30
Cable, Board Lift Obsolete - Not Available
 $13.99

Part Number:C100657

Discontinued

Discontinued
 $13.99
Discontinued
31
Cable, Tine Enggmnt Obsolete - Not Available
 $13.99

Part Number:C100656

Discontinued

Discontinued
 $13.99
Discontinued
32
Dual Drive Double Idler Pulley
 $46.47

Part Number:C100208

In Stock

In Stock
 $46.47
In Stock
 $46.47
33
Bearing, 1" - 2 Bolt Obsolete - Not Available
 $52.02

Part Number:C100650

Discontinued

Discontinued
 $52.02
Discontinued
34
Tine Rod Obsolete - Not Available
 $82.51

Part Number:C100621

Discontinued

Discontinued
 $82.51
Discontinued
35
Connecting Rod Bearing Obsolete - Not Available
 $9.16

Part Number:C100678

Discontinued

Discontinued
 $9.16
Discontinued
36
Crankshaft Obsolete - Not Available
 $1,518.18

Part Number:C100622

Discontinued

Discontinued
 $1,518.18
Discontinued
37
Spring, Medium Obsolete - Not Available
 $6.01

Part Number:C100654

Discontinued

Discontinued
 $6.01
Discontinued
38
Spring, Small Obsolete - Not Available
 $4.99

Part Number:C100655

Discontinued

Discontinued
 $4.99
Discontinued
39
Bumper, Rubber 3/8 X 1 Obsolete - Not Available
 $8.76

Part Number:C100652

Discontinued

Discontinued
 $8.76
Discontinued
40
1/4 Flat Washer
 $3.99

Part Number:C500088

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
41
Tines, 5/8" Obsolete - Not Available
 $30.52

Part Number:C100679

Discontinued

Discontinued
 $30.52
Discontinued
42
Nuts, Course Thrd Tine Obsolete - Not Available
 $7.10

Part Number:C500293

Discontinued

Discontinued
 $7.10
Discontinued
43
1/4
 $3.99

Part Number:C500139

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
44
Nut, 1/2
 $4.99

Part Number:C500106

In Stock

In Stock
 $4.99
In Stock
 $4.99
45
1/2in Lock Washer
 $4.99

Part Number:C500006

In Stock

In Stock
 $4.99
In Stock
 $4.99
46
3/8 Nyloc Nut
 $3.99

Part Number:C500076

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
 Fig #

Repair Guides for Classen Reciprocating Aerator RA-21

Quick Fix: How to Replace the Spark Plug in a Small Engine

This video will help you replace the spark plug on a small engine which will help get your gas powered equipment up and running again.

How to Replace the Fuel Filters in Your Outdoor Power Equipment

This video will help you troubleshoot your fuel-line replacement repairs.

Quick Fix: How to Clean a Spark Arrestor Screen on a Small 2-Cycle Engine

This repair video will instruct you how to repair a dirty or damaged spark arrestor on your small engine.

How to Test a Small Engine for Spark

If your small engine isn't starting, you'll need to diagnose many issues including the spark plug. This video walks you through the steps of how to test for a spark using a spark tester.

Questions & Answers for RA-21

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