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GX21833 48 Inch Mower Deck Belt, Compatible with John Deere D140 D160 LA145 E140 S170 Z255, Replaces GX20571 & GX21833, Also Fits Select Toro & Exmark Models, Aramid Cord, 1/2" x 141.7" - size: 0.5” W x 141.7” L

GX21833 48 Inch Mower Deck Belt, Compatible with John Deere D140 D160 LA145 E140 S170 Z255, Replaces GX20571 & GX21833, Also Fits Select Toro & Exmark Models, Aramid Cord, 1/2" x 141.7" - size: 0.5” W x 141.7” L

Regular price $29.86 USD
Regular price Sale price $29.86 USD
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About this item

  • BELT SIZE: 1/2" Wide x 141.7" Long (12.7mm x 3599mm) Deck Belt – OEM-matched dimensions for John Deere 48-inch mower decks. Replaces OEM part numbers GX21833 and GX20571 (GX21833 is the current superseding part number). Also cross-references Cub Cadet/MTD 754-05008, 954-05008 for easy part verification.
  • COMPATIBLE WITH JOHN DEERE D-SERIES & E-SERIES (48" DECK): Fits D-Series: D140, D150, D155, D160. E-Series: E140, E150, E160, E170. Also fits 100 Series: 145, 155C. All configurations with 48-inch twin-blade mower decks.
  • COMPATIBLE WITH JOHN DEERE L-SERIES, LA-SERIES & X-SERIES (48" DECK): Fits L-Series: L120, L130. LA-Series: LA130, LA140, LA145, LA155, LA165. X-Series: X140, X165, X166, X167. S-Series: S140, S160, S170. All with 48-inch mower deck configurations.
  • COMPATIBLE WITH JOHN DEERE Z-SERIES, TORO & EXMARK 50" PLATFORMS: Fits John Deere Z255, Z355E EZtrak Zero-Turn with 48-inch decks. Also compatible with Toro TimeCutter 50-inch: SS5000, MX5000, MX5060, MX5075, ZS5000, models 74630-75761TA series. Fits Exmark QUEST 50-inch: QSS708GEM50200, QSS725GKC50200, QT24KA501, QTE708GEM50200, and select Quest series.
  • ARAMID CORD CONSTRUCTION FOR SUPERIOR STRENGTH: Built with high-tensile aramid (Kevlar-class) cord reinforcement that resists heat, abrasion, and stretching under heavy mowing loads. Outperforms standard polyester-rubber belts with greater breaking strength and longer service life.
  • FLAT BELT PROFILE WITH WRAPPED OUTER COVER: The wrapped fabric outer layer reduces pulley friction and protects the belt core from debris and moisture. Seam is positioned on the reverse side, away from pulley contact surfaces, minimizing wear and preventing premature cracking.
  • OEM-GRADE PRECISION FIT – NO SLIPPAGE OR ROLLOVER: Engineered to OEM tolerances for consistent tension across all idler and spindle pulleys on 48-inch John Deere deck configurations. Proper belt routing maintained from the first mow.
  • EASY INSTALLATION – INSPECT PULLEYS BEFORE FITTING: Designed for straightforward DIY replacement on all listed 48-inch deck configurations compatible with John Deere D/E/L/LA/X/S/Z-Series, Toro TimeCutter, and Exmark Quest platforms. Inspect pulleys and bearings before installing. Backed by AUTONANO customer support.

Overview

  • Brand: Autonano
  • Material: Rubber
  • Product Dimensions: 141.7"L x 0.5"W
  • Belt Style: Flat Belt
  • Compatible Devices: Lawn Mower
Quantity

Low stock: 10 left

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  • ⭐⭐⭐⭐⭐

    Jordan Blake — Cedar Falls, Iowa
    The product information was organized clearly, which made it easier to compare the available options. My order matched the description, and the overall shopping process was straightforward.

  • ⭐⭐⭐⭐⭐

    Casey Morgan — Waco, Texas

    I appreciated the practical selection and the detailed specifications provided on the product page. Everything arrived securely packaged, and communication about the order was easy to follow.

  • ⭐⭐⭐⭐⭐

    Taylor Reed — Springfield, Missouri

    CropForge made it convenient to browse equipment and replacement parts in one place. The item was as described, and I would consider shopping here again for future farm projects.

  • ⭐⭐⭐⭐⭐

    Avery Collins — Lexington, Kentucky

    The website was easy to navigate, and I found the product details helpful before ordering. The purchasing experience felt organized and straightforward from checkout through delivery.

Frequently Asked Questions

How do I know whether a product will fit my tractor or equipment?

Review the product description, dimensions, hitch category, PTO requirements, shaft size, hydraulic specifications, mounting points, and compatible models before ordering. If you are unsure, contact us with your equipment’s make, model, year, and relevant measurements. Compatibility remains the customer’s responsibility unless expressly confirmed in writing by CropForge.

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Some products may arrive fully assembled, while others may require partial assembly, professional installation, adjustment, lubrication, or additional hardware. Assembly requirements vary by product. Always follow the manufacturer’s instructions and use a qualified technician when installation involves hydraulic, electrical, PTO, structural, or safety-critical components.

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What should I do if my item arrives damaged, defective, or incorrect?

Contact us promptly and provide your order number, a description of the issue, photographs of the item, packaging, shipping label, and any visible damage. Keep all original packaging until the matter is resolved. Do not install, operate, modify, or discard a damaged or incorrect product before receiving instructions from us.

Can I return a product if it does not fit my equipment?

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Are warranties included with CropForge products?

Warranty coverage, when available, varies by product and manufacturer. Any applicable warranty terms will be stated in the product listing, packaging, or manufacturer documentation. CropForge does not provide additional warranties unless expressly stated in writing. Normal wear, misuse, improper installation, unauthorized modification, and incompatible use may not be covered.

What safety precautions should I follow when using farm equipment?

Read and follow all product manuals, warning labels, and manufacturer instructions before assembly or operation. Wear appropriate protective equipment, keep guards and shields installed, and never service machinery while it is powered or moving. Agricultural equipment should only be operated by trained individuals and within the product’s stated limits.