Description
Hustler OEM 602821 Flat Idler Pulley
The Hustler OEM 602821 Mower Deck Flat Idler is manufactured with strong sealed steel alloy and high-quality ball bearings to ensure dependable operation in harsh, wet, hot, and dirty conditions. Built to original specifications, this Flat Idler is designed to maintain correct Mower Deck Belt tracking and tension on the Mower Deck. Rough or Damaged Idler Pulley Bearings May cause slippage, premature belt wear, and vibration. Flat Idler Pulleys Primarily Only Retain the Back Side of the Belt or the Flat Side of the Belt.
Note: Below the Model Fit Chart and in the Images, there is a Charts/Image Diagrams with Listed Models under the Images to Help with the Exact Idler Pulley Placement and Idler Pulley Association. Model Numbers under each Image will contain the Idler Pulley Orientation as listed in the Images Above the Model List. Although Select Families may not be Completed Immediately but Eventually will be.
- OEM Part Number: 602821
- Part Name: Flat Idler Pulley (6")
- Application: Mower Deck
Fits These Hustler Models/Families
Verify your model number in the Mower Deck Diagrams in the Associated Images Above and Below and in the Model Fit Chart Below before ordering.
- X-ONE - 2011 - Current (52", 60" & 72" SIDE DISCHARGE) - (54" & 60" REAR DISCHARGE MODELS)
- X-RIDE - (ALL MODELS)
- Super Z & Super Z HD - 2011 - Current (54", 60", 66", & 72" SIDE DISCHARGE) - (60" & 72" REAR DISCHARGE MODELS)
- Diesel Z - ALL MODELS (60" & 72" SIDE DISCHARGE) - (60" & 72" REAR DISCHARGE)
- Super 88 - (ALL MODELS)
- Super 104 - (ALL MODELS)
Idler Pulley Preventive Maintenance & Replacement Checks
A Worn Idler Pulley OR Rough Idler Pulley Bearings may cause squealing, vibration, uneven cutting, or frequent Mower Deck Belt failure. If the Idler Pulley Bearings feels rough, noisy, or loose, replacement is recommended. Preventive Idler Pulley Problems can be Checked by Periodically Removing the Belt Tension and Mower Deck Belt and Spinning the Idler Pulleys to Determine if they Have Rough Bearings and Wiggling them to see if there is Excessive Play Remember a Bad Idler Pulley Can Always Contribute to Additional Mower Deck Component Failures.
Part Function & Usage
- Maintain proper Mower Deck Belt Tension and Routing
- Prevent Mower Deck Belt Slippage under heavy Mowing Loads
- Reduce Mower Deck Belt wear and heat buildup
- Keep blades Operating at full performance
- Allows Mower Deck to Operate at Proper Speed and Torque Ratio with OEM Sized Idler Pulleys - Per Manufacture Specifications
Installation Tips
- Disconnect spark plug wires - To Prevent Accidental Starting.
- Release Mower Deck Belt Tension Spring before removing the Old Idler Pulley.
- Remove Idler Pulley
- Inspect the Idler Arm and/or Idler Slide for excessive play - Inspect Mower Deck Belt for Excessive Wear - Inspect other Existing Idler Pulleys for Excessive Wear or Rough Bearings that could Potentially Locking Up Causing Damage to additional Parts and Components.
- Install New Idler Pulley
- Torque Mounting Bolt securely OR Nut (.625 or 5/8 Fasteners, Torque to 90 ft.- lbs. or 122 Nm) — do not overtighten as this may damage the pulley bearing.
- After installation, verify proper belt routing and tension before starting mower.
- Start Unit - Engage the Mower Deck - Disengage Mower - Shut Unit Off - Verify Mower Deck Belt Stayed in its Intended Place.
Associated Fasteners & Parts
- 794446 - Bolt (5/8 x 1.50 - 11) * Select Models
- 025007 - Bolt (5/8 x 1.75 - 11) * Select Models
- 016642 - Bolt (5/8 x 2.00 - 11) * Select Models
- 025015 - Bolt (5/8 x 2.50 - 11) * Select Models
- 783738 - Bolt (5/8 x 3.00 - 11) * Select Models
- 016972 - Lock Nut (5/8 x 1.75 - 11) * Select Models with Stud Weldment
- 782474 - Belleville Washer (5/8) * Used on the Under-Side of the Mower Deck to Support and Retain Tension on Select Bolt Fasteners used to Retain Idler Pulleys.
- 028118 - Spacer Washer (5/8) * Idlers on a Tension Slide require the Washer to be Installed Between the Bolt Head and the Belt Guard as well as under the Idler Between the Deck Weldment Flange and Idler Pulley - Stationary Idler's Require it to Be Installed Between the Bolt Head and the Dust Shield as well as Under the Idler Between the Deck Weldment Flange and the Idler Pulley 602821 Idler Require 2 - 028118 Per Idler Pulley.
- 608144 - Pulley Dust Shield (Helps Protect Against Debris and Water Against the Bearing Surface) * Always Installed Against the Upper Bearing Race - Between the Idler Pulley and Belt Guard - 606460, Nut - 016972 or Washer - 028118 Depending on the Application.
-
606460 - Belt Guard (Helps Retain the Belt to the Idler Pulley as the Pulley is Adjusting or Moving with Belt Tension and Load) * Select Models - Used Primarily on the 6028216 Idler Pulley that Fastens to the Idler Slide Rail and is Typically Install Between the Washer - 028118 (Under it) and the Dust Shield - 608144 (On Top).
Model Fit Chart
X-ONE
(Models 2011 and Later are Listed - Models Listed Prior To 2011 May Not Be Listed If Applicable)
(52", 60" & 72" Side Discharge)
Models and Diagrams are Currently Not Listed Will Be Eventually
(54", 60" Rear Discharge)
Models and Diagrams are Currently Not Listed Will Be Eventually
X-RIDE (ALL MODELS)
944074, 944868
Super Z
(Models 2011 and Later are Listed - Models Listed Prior To 2011 May Not Be Listed If Applicable)
(2011 - Current 54", 60" & 72" Side Discharge)
929927, 929935, 929943, 929950, 930875, 931048, 932012, 932020, 932038, 932046, 932129, 932137, 932970, 932988, 933457, 933929US, 934232, 934240, 934265, 934273, 934281, 934331, 934984US, 934992, 935007, 935015US, 935031, 935049, 935056US, 936872, 936880, 936898US, 936922, 936930, 936948US, 936989, 937714, 937722, 937730, 938985, 938993, 941138, 941146, 941153, 941161, 941179, 941187, 941377, 941385, 942342, 942771, 942763, 942805, 942813, 942839, 942854, 942870, 942888, 942896, 942920, 943852, 943860, 943886, 943894, 943928, 943936
(2011 - Current 60" & 72" Rear Discharge)
930024, 930065, 932053, 932061, 934216, 934224, 935023, 935064, 936914, 936955, 940031, 940049, 941195, 941203, 942862, 942912, 943910, 943944
Super Z HD
(Models 2013 and Later are Listed - Models Listed Prior To 2013 May Not Be Listed If Applicable)
(2013 - Current 54", 60" & 72" Side Discharge)
932145, 932152, 932160, 932996, 933002, 934323, 934349, 934356, 934687, 934695, 934919, 934927, 934943, 934950, 934968, 936997, 937003, 937029, 937037, 937045, 937110, 939561, 939579, 939587, 939595, 941229, 941237, 941252, 941260, 941278, 941294, 941302, 941310, 941328, 941534, 941542, 942219, 942227, 942235, 942243, 942250, 942359, 942979, 942995, 943001, 943019, 943027, 943050, 943068, 943985, 943969, 943977, 943993, 944017, 944041
(2013 - Current 60" & 72" Rear Discharge)
932178, 932186, 934307, 934315, 934935, 934976, 937011, 937052, 941245, 941286, 941559, 941567, 943035, 943043, 944025, 944033
Diesel Z
(Models 2011 and Later are Listed - Models Listed Prior To 2011 May Not Be Listed If Applicable)
(60" & 72" Side Discharge)
Models and Diagrams are Currently Not Listed Will Be Eventually
(60" & 72" Rear Discharge)
Models and Diagrams are Currently Not Listed Will Be Eventually
Super 104 (Center Mower Deck Only)
Models are Currently Not Listed Will Be Eventually
Super 88 (Center Mower Deck Only)
936617, 939546 * Idler Placement Diagrams Listed Yet
