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Description:
High-quality Non-Genuine BigDog & Hustler Flat Steel Idler Pulley for selected 34"–60" ZTR ride-on mowers.
Manufactured from heavy-duty steel for smooth, quiet belt operation and long service life.
Direct-fit OEM replacement—no modifications required.
Replaces OEM:
BigDog: 603986, 605512
Hustler: 603986, 605512
Pulley Dimensions:
Dimension Inches Millimetres
A (Diameter) 4.875" 123.83 mm
B (Flange Width) 4.00" 101.60 mm
C (Bore ID) 1/2" 12.7 mm
D (Height) 0.935" 23.75 mm
E (Hub Width) 0.677" 17.19 mm
F (Hub Flange Height) 1.100" 27.94 mm
H (Offset) 0.394" 10.00 mm
T (Thickness) 0.082" 2.10 mm
Centre Hole Type:
Round 1/2" (12.7 mm) bore
Deck Compatibility:
Deck Size Cut Width (in) Cut (mm)
34" 864 mm Dash XD
36" 915 mm Raptor Series
42" 1067 mm Alpha / Raptor / Dash XD
48" 1220 mm Alpha MP / FasTrak / SuperDuty
52" 1320 mm Alpha / Raptor / SuperDuty
54" 1372 mm FasTrak / Raptor XD / XDX
60" 1524 mm Stout / SuperDuty X
Fits BigDog Models:
Alpha: 42" (932897EX, 934489EX, 939140EX)
Alpha MP: 48" (932947EX, 936526EX, 937581EX)
Alpha: 52" (931899EX, 932913EX, 939124EX)
Stout: 48"–60" (933747EX, 935502EX, 937649EX, 933754EX, 935510EX, 937656EX, 933762EX, 935528EX, 937664EX)
Fits Hustler Models:
Dash XD: 34" (940742EX), 42" (940759EX), 48" (940767EX)
Raptor Series: 36"–54" (935262EX, 936559EX, 938332EX, 939108EX, 938381EX and others)
Raptor X / XD / XDX: (940494EX, 939819EX, 940502EX, 939751EX, 941492EX, 941500EX, 941518EX)
FasTrak / SDX: 48"–60" (933424EX, 938704EX, 938795EX, 940361EX and more)
SuperDuty / SuperDuty X: (933481EX, 933499EX, 933507EX, 933945EX, 933960EX)
Features:
Robust steel construction for extended wear life
Precision-machined bore ensures perfect belt alignment
Corrosion-resistant finish
Reduces belt vibration and slippage under load
Suitable for both deck and idler applications
Specifications:
Property Detail
Material High-grade Steel
Finish Zinc / Anti-Corrosion Coating
Centre Hole 1/2" (12.7 mm) Round
Standard Pack Quantity 1
Alternate Suppliers:
GA Spares: PUL8593
STENS: #280-512
BigDog / Hustler Flat Idler Pulley Suits Dash / Raptor / FasTrak Models Replaces 603986 & 605512
$50.00 AUD
Sale price
$50.00 AUD
Regular price
PU0003
Loc: