Details
John Deere 4010 Wheel Tractor w/ 381D engine
John Deere 4010 Tractor w/ 381D engine
John Deere JD600 Wheel Tractor Thru 200999 w/ 404D engine
John Deere 105 Combine After 19000 w/ 404D engine
John Deere JD600 Wheel Tractor After 200999 w/ 404D engine
John Deere 4020 Tractor After 200999 w/ 404D engine
John Deere 7700 Combine Thru 8000 w/ 404D engine
John Deere 6404 Power Unit Irrigation Engine w/ 404D engine
John Deere 4000 Tractor w/ 404D engine
John Deere 105 Combine 3001 - 19000 w/ 404D engine
John Deere JD600 Wheel Tractor Thru 200999 w/ 404D engine
John Deere 105 Combine 3001 - 19000 w/ 404D engine
John Deere 4020 Tractor Thru 200999 w/ 404D engine
John Deere 4020 Tractor Thru 200999 w/ 404D engine
John Deere 6602 Combine Thru 1500 w/ 404D engine
John Deere 4020 Tractor After 200999 w/ 362 engine
John Deere 4010 Tractor w/ 381D engine
John Deere 4010 Wheel Tractor w/ 381D engine
John Deere 105 Combine After 19000 w/ 362 engine
John Deere 105 Combine # 4501-19000 w/ 341 engine
John Deere JD600 Wheel Tractor Thru 200999 w/ 341 engine
John Deere 4020 Tractor Thru 200999 w/ 341 engine
John Deere JD362G Power Unit w/ 362 engine
John Deere 7700 Combine w/ 362 engine
John Deere 6602 Combine w/ 362 engine
John Deere JD600 Wheel Tractor After 200999 w/ 362 engine
John Deere 4000 Tractor w/ 362 engine
John Deere 4230 Tractor w/ 362 engine
John Deere JD600 Wheel Tractor Thru 200999 w/ 341 engine
John Deere 105 Combine # 4501-19000 w/ 341 engine
John Deere 4020 Tractor Thru 200999 w/ 341 engine
John Deere 4010 Tractor w/ 301 engine
John Deere 4010 Wheel Tractor w/ 301 engine
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
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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.