Details
John Deere 6530 Premium Tractor w/ 6068H PowerTech (24 Valve) engine
John Deere 6830 Premium Tractor w/ 6068H PowerTech (24 Valve) engine
John Deere 6630 Premium Tractor w/ 6068H PowerTech (24 Valve) engine
John Deere 6068HL480 Power Unit w/ 6068H PowerTech (24 Valve) engine
John Deere 240DLC Excavator w/ 6068H PowerTech (24 Valve) engine
John Deere 6930 Premium Tractor w/ 6068H PowerTech (24 Valve) engine
John Deere 7630 Tractor w/ 6068H PowerTech (24 Valve) engine
John Deere 460DC Log Skidder After 604613 w/6068HDW64 w/ 6068H PowerTech (24 Valve) engine
John Deere 7830 Tractor w/ 6068H PowerTech (24 Valve) engine
John Deere 270DLC Excavator w/ 6068H PowerTech (24 Valve) engine
John Deere 460DG Log Skidder After 604613 w/6068HDW64 w/ 6068H PowerTech (24 Valve) engine
John Deere 640G-III Log Skidder After 604613 w/6068HDW64 w/ 6068H PowerTech (24 Valve) engine
John Deere 9560STS Combine w/ 6068H PowerTech (24 Valve) engine
John Deere 6068HF485 Power Unit w/ 6068H PowerTech (24 Valve) engine
John Deere 7930 Tractor w/ 6068H PowerTech (24 Valve) engine
John Deere 6068SFM75 Power Unit w/ 6068H PowerTech (24 Valve) engine
John Deere 7730 Tractor w/ 6068H PowerTech (24 Valve) engine
John Deere 460DC Log Skidder After 604613 w/6068HDW65 w/ 6068H PowerTech (24 Valve) engine
John Deere 1070D Tree Harvester After 1300 w/ 6068H PowerTech (24 Valve) engine
John Deere 648G-III Log Skidder After 604613 w/6068HDW65 w/ 6068H PowerTech (24 Valve) engine
John Deere 460DG Log Skidder After 604613 w/6068HDW65 w/ 6068H PowerTech (24 Valve) engine
John Deere 640G-III Log Skidder After 604613 w/6068HDW65 w/ 6068H PowerTech (24 Valve) engine
John Deere 648G-III Log Skidder After 604613 w/6068HDW64 w/ 6068H PowerTech (24 Valve) engine
John Deere 4045HF485 Power Unit w/ 4045H PowerTech (16 Valve) engine
John Deere 6230 Premium Tractor w/ 4045H PowerTech (16 Valve) engine
John Deere 6330 Premium Tractor w/ 4045H PowerTech (16 Valve) engine
John Deere 6430 Premium Tractor w/ 4045H PowerTech (16 Valve) engine
OEM Part Number Cross Reference(s): R518806, RE531221, RE557890
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.