130794 Spindle Assembly 153535 Pulley Compatible with Craftsman LT1000 LT2000 DYT4000 42" Deck Tractors, HU, Pou LAN Pro Riding Mower, Replace 128285 130794 133172 137645 532128285 532130794

What It Is

This is a replacement spindle assembly (with a 153535 pulley) for the mandrel that drives a lawn mower blade on 42-inch cutting decks. It’s designed for Craftsman LT1000, LT2000, and DYT4000 series tractors, plus Husqvarna, Poulan Pro, and other riding mowers with a compatible 42-inch deck.

Fitment & Compatibility

• Deck size: Only for 42-inch decks. Measure your deck width before buying.
• Models: Fits Craftsman LT1000, LT2000, DYT4000, and many Husqvarna/Poulan Pro riding mowers with a 42-inch stamped deck. Cross-references OEM numbers 128285, 130794, 133172, 137645, 532128285, 532130794.
• Pulley: The included 153535 pulley has a 3.5-inch diameter with a 5/8-inch bore. Confirm your belt width and pulley height match your existing setup.
• What to check: Verify your deck uses a single-spindle design (not a two-spindle). Measure the spindle shaft length (typically ~3.75 inches) and ensure the mounting holes line up (usually 3-bolt pattern, 3.5-inch center-to-center).

Key Things to Know

• Quality: Aftermarket part, but rated 4.9 stars from 19 reviews. Users report it’s sturdy and matches OEM specs. Expect durable steel housing and sealed bearings.
• Installation: Moderate difficulty—requires removing the deck, unbolting the old spindle, and transferring the blade. You’ll need a socket set and possibly a puller for stuck pulleys.
• Common gotcha: The pulley may need a slight shim or washer if your belt alignment is off. Also, check blade bolt torque (usually 70–90 ft-lbs) to avoid stripping.
• Fit note: Works with most Craftsman 42-inch decks from the mid-2000s onward, but older decks may have different bearing sizes. Measure before buying.

Should You Buy It

If you have a Craftsman LT1000, LT2000, or DYT4000 with a 42-inch deck and need a direct replacement for a worn or broken spindle, this is a solid, well-reviewed choice. It’s a budget-friendly alternative to OEM parts and fits most common models. Avoid if your deck size differs or you need a two-spindle assembly.