M122674 Deck Belt for John Deere Sabre & EuroPro 38-Inch Lawn Tractor Decks

Overview

This M122674 deck belt replacement is built for select John Deere Sabre and John Deere EuroPro lawn tractor mower deck applications using the M122674 belt path.

This belt is commonly associated with select 38-inch John Deere Sabre and 38-inch John Deere EuroPro lawn tractor mower deck applications. Match your original belt number first, then confirm belt width, belt length, mower model, deck size, and belt routing before ordering.

Important: This is a 38-inch deck belt path for specific Sabre and EuroPro lawn tractor models. Do not order by deck size alone. The strongest confirmation is the original belt number from your mower, parts diagram, or belt routing decal.

Key Features

• Replacement deck belt for select John Deere Sabre and EuroPro 38-inch lawn tractor mower deck applications
• Primary Part Number: M122674
• Quantity Included: 1 replacement deck belt
• Length: 93 inches
• Width: 1/2 inch
• Thickness: 0.3 inch
• Designed for mower deck drive systems using the listed OEM belt path
• Ships as one belt only

Compatible Brands & Model Series

This belt is intended for select John Deere Sabre and John Deere EuroPro 38-inch mower deck applications using the M122674 replacement belt path.

Common supplier application paths include:

• John Deere Sabre 38-inch: select 1338G, 1538H, 1546G, 1638HS, and 1646H lawn tractor applications
• John Deere EuroPro 38-inch: select 1338GS, 1538HX, 1546GS, and 1646HS lawn tractor applications

Fitment note: Model names and deck sizes are provided as fitment clues only. Always confirm your original belt number is M122674, then verify belt size, mower model, deck size, and routing before ordering.

Replaces Common Deck Belt Numbers

• John Deere: M122674

No-Dash Search Aliases

• M122674

Belt Specifications

• Part Type: mower deck belt
• Primary Replacement Number: M122674
• Length: 93 inches / 2362.2 mm
• Width: 1/2 inch / 12.7 mm
• Thickness: 0.3 inch / 8 mm
• Quantity Included: 1 replacement deck belt

Before Ordering

Before ordering this deck belt, confirm:

• Your original belt number matches M122674
• Your mower uses this belt in the correct 38-inch deck belt location
• Your mower deck uses the correct belt routing
• Your mower model and deck size match the listed John Deere Sabre or EuroPro application path
• Your idler pulleys, spindle pulleys, belt guides, and tension spring are in good condition
• Your original belt length and width match the listed specifications

Do not install the belt until fitment is confirmed. Installed belts may not be eligible for return.

Common Symptoms of a Worn Deck Belt

• Deck belt slips under load
• Belt squeals when the blades are engaged
• Mower leaves uneven or uncut grass
• Belt jumps off the pulley system
• Visible cracking, glazing, or fraying
• Deck vibration or poor blade speed
• Burning rubber smell near the mower deck

Installation Notes

• Park the mower on a level surface and disconnect the spark plug before working on the deck
• Take a photo of the belt routing before removing the old belt
• Confirm this is the correct 38-inch deck belt path before installing
• Inspect idler pulleys, spindle pulleys, belt keepers, and the tension spring before installing the new belt
• Make sure the belt is seated fully in each pulley groove
• After installation, test the mower at low speed and listen for belt tracking issues, squealing, or vibration

Why Buy From PTO Direct USA?

• Fast USA shipping
• Fitment-first product descriptions
• Clear part-number routing for John Deere mower deck repairs
• Deck parts organized by belts, blades, spindles, pulleys, and rebuild kits
• Support for homeowners, repair shops, and mower owners

Need Help Confirming Fitment?

If you are unsure whether this belt fits your mower, send us your mower model number, deck size, original belt number, and photos of your belt routing diagram, mower ID tag, and old belt before ordering.

FAQ

What does this deck belt replace?

This belt replaces M122674 on select John Deere Sabre and EuroPro 38-inch mower deck applications.

What size is this belt?

This belt is listed at 93 inches long, 1/2 inch wide, and 0.3 inch thick. Always compare the belt size and routing to your original belt before ordering.

Does this belt fit John Deere Sabre 38-inch models?

This belt is commonly listed for select John Deere Sabre 1338G, 1538H, 1546G, 1638HS, and 1646H 38-inch lawn tractor mower deck applications using the M122674 belt path. Confirm your original belt number and routing before ordering.

Does this belt fit John Deere EuroPro 38-inch models?

This belt is commonly listed for select John Deere EuroPro 1338GS, 1538HX, 1546GS, and 1646HS 38-inch lawn tractor mower deck applications using the same belt path. Confirm your mower model and belt routing before ordering.

Can I order this belt by deck size only?

No. Deck size is only a starting point. Match the original belt number, belt size, mower model, deck size, and belt routing before ordering.

Why does my deck belt keep coming off?

A deck belt may come off because of worn idler pulleys, bad spindle bearings, weak tension springs, bent belt guides, incorrect routing, or the wrong belt size. Inspect the full deck drive system before installing a new belt.

Need other deck parts for this setup? Browse mower blades, spindle assemblies, deck pulleys and idlers, and deck rebuild kits.

Need a different belt? Browse the full mower deck belts collection.