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Wheel Tractor w/254 Eng.; Model 3010 Power Unit w/4270 Eng.; Model 3020. Wheel Tractor w/4270 Eng.; Models JD500, JD500A, JD500B Kit fits Early models, Blocks marked R26160, R32020, R40850, R46385 Serial Numbers up to 123113 Parts Included in Inframe Kit (4) Sleeve Assembly (Sleeve, Piston, Wrist Pin, Piston Rings) The cylinder kits in this kit come pre-loaded. (4) Connecting Rod Bearing Pair (1) Main Bearing Set (1) Head Gasket Set & Oil Pan Gasket (1) Thrust Washer Set (8) Connecting Rod Bolts Parts Included in Out of Frame Kit (4) Sleeve Assembly (Sleeve, Piston, Wrist Pin, Piston Rings) The cylinder kits in this kit come pre-loaded. (4) Connecting Rod Bearing Pair (1) Main Bearing Set (1) Full Gasket Set w/Crank Seals (1) Thrust Washer Set (8) Connecting Rod Bolts Parts Included in Major Overhaul Kit (4) Sleeve Assembly (Sleeve, Piston, Wrist Pin, Piston Rings) The cylinder kits in this kit come pre-loaded. (4) Connecting Rod Bearing Pair (1) Main Bearing Set (1) Gasket Set (1) Thrust Washer Set (1) Front Seal (1) Rear Seal (3) Camshaft Bearings (4) Piston Pin Bushings (1) Rear Cam Plug (8) Connecting Rod Bolts |
Warranty Information
Overview
We stand behind every part we sell — new, rebuilt, or used. While RF Engine is not the manufacturer and cannot extend additional warranties, we do guarantee that each product will arrive as described, in usable condition, and free from material defects or misrepresentation.
Warranty Coverage
- New Parts: Covered under the original manufacturer’s warranty. All terms and coverage are set by the manufacturer. Copies available upon request.
- Rebuilt, Reconditioned, and Used Parts: Backed by an inspection-only warranty unless otherwise stated. As with new parts, RF Engine cannot provide further warranty coverage beyond the manufacturer’s terms.
- No Additional Warranty: RF Engine does not offer any express or implied warranties. However, if an issue arises, we are here to assist and will support you through any applicable manufacturer claim process.
Our Guarantee
All parts are guaranteed to be in the condition stated at the time of sale and free from misrepresentation. If something isn’t right, we’ll work with you to resolve it — including returns, exchanges, or refunds when appropriate.
- We sell parts — we don’t make them — but we stand behind what we sell.
- Guaranteed to match the description or your money back.
- Manufacturer’s warranty applies where available; we’ll help if you ever need it.
Used Parts — What to Expect
Used parts are cleaned, inspected, and guaranteed to be usable, but please note:
- They often have signs of wear, surface rust, blemishes, or cosmetic imperfections.
- They may include old gaskets or residue and likely require further cleaning or machining before installation.
- They are not refurbished, remanufactured, or restored to like-new appearance.
We recommend careful inspection and strongly encourage installation by a qualified heavy-duty diesel mechanic.
- Worn, not worn out — used parts may show signs of age but are fit for service.
- All used parts are tested for usability, not appearance.
Questions?
If you have questions about a part’s condition, warranty, or how we handle returns and guarantees, feel free to contact us. We’re here to help.
Last Updated: June 22, 2025
All specifications and numbers are provided for reference only and should be independently verified before use. While we guarantee our parts match their descriptions and accept returns for any discrepancies, we cannot be held liable for installation costs, modifications, or consequential damages. Questions about compatibility? Contact our parts experts at 800-828-6943, sales@dieselcranks.com, or via live chat, Mon-Fri 8am-5pm EST.
