Toro 98-3780 Replacement Deck Spindle Drive Belt
Replacement belt referenced to Toro 98-3780 for deck spindle drive on the equipment applications listed below. Match the original part number and the machine configuration to select the correct belt.
Specifications
- Product code: ZSNM-98-3780
- Application: Deck spindle drive
- Belt profile: Covered V-belt
- Catalogue nominal width: 5/8 in (approximately 15.88 mm)
- Catalogue nominal length: 141 in (approximately 3581.4 mm)
- Listed item weight: 600 g
OEM and replacement references
- Toro: 98-3780, 135-1998, 135-1998-SL
- Toro / Wheel Horse: 983780
- Exmark: 135-1998, 135-1998-SL, 98-3780
Alternative catalogue references
- Stens: 265-743
Compatible machines and applications
Catalogue applications for the referenced part include the following. Compatibility depends on the specified deck, attachment, drive system and serial range.
- Spindle Drive Belt. For Toro 74501 Z16-44 and 74601 Z17-44 TimeCutter Z riding mowers (2001) & 100 Series Z Master with 44-inch decks (1999 to 2006); also 52-inch Turf Ranger Rider, (Serial# 115,000 & higher), 52-inch Z250 (Serial# 992,000 & lower)
- Toro: 74501 and 74601 mowers with 44-inch deck and 74177 zero-turn
Before ordering
Check the original belt number, machine model and serial number, deck or attachment size, and belt position. Catalogue lengths may use nominal, inside, outside or effective measurements; compare the same measurement basis. Metric equivalents shown are rounded conversions.
Manufacturer names and OEM numbers identify replacement applications. They do not indicate that this item was manufactured by the original equipment manufacturer.

