Details
John Deere 903G Feller Buncher w/ 6081T/A/H PowerTech engine
John Deere 770D Grader w/ 6081T/A/H PowerTech engine
John Deere 7920 Tractor w/ 6081T/A/H PowerTech engine
John Deere 870D Grader w/ 6081T/A/H PowerTech engine
John Deere 900 Feller Buncher w/ 6081T/A/H PowerTech engine
John Deere 753GL Feller Buncher After 1031 w/ 6081T/A/H PowerTech engine
John Deere 560D Log Skidder Late w/ 6081T/A/H PowerTech engine
John Deere 724J Wheel Loader w/ 6081T/A/H PowerTech engine
John Deere 753G Feller Buncher After 2063 w/ 6081T/A/H PowerTech engine
John Deere 850 Feller Buncher After 8018 w/ 6081T/A/H PowerTech engine
John Deere 748G-III Log Skidder Late w/ 6081T/A/H PowerTech engine
John Deere 872D Grader w/ 6081T/A/H PowerTech engine
John Deere 953G Feller Buncher After4004 w/ 6081T/A/H PowerTech engine
John Deere 950 Feller Buncher After 9003 w/ 6081T/A/H PowerTech engine
John Deere 370C Excavator w/ 6081T/A/H PowerTech engine
John Deere 8120T Tractor w/ 6081T/A/H PowerTech engine
John Deere 330CLC Excavator w/ 6081T/A/H PowerTech engine
John Deere 7820 Tractor w/ 6081T/A/H PowerTech engine
John Deere 7810 Tractor After 89999 w/ 6081T/A/H PowerTech engine
John Deere 1270D Tree Harvester w/ 6081T/A/H PowerTech engine
John Deere 1470D Tree Harvester w/ 6081T/A/H PowerTech engine
John Deere 9640 Combine w/ 6081HZ009 w/ 6081T/A/H PowerTech engine
John Deere 8220 Tractor w/ 6081T/A/H PowerTech engine
John Deere 8220T Tractor w/ 6081T/A/H PowerTech engine
John Deere 644J Wheel Loader w/ 6081T/A/H PowerTech engine
John Deere 644H Wheel Loader Late w/ 6081T/A/H PowerTech engine
John Deere 608L Feller Buncher After 6019 w/ 6081T/A/H PowerTech engine
John Deere 3554 Logger w/ 6081T/A/H PowerTech engine
John Deere 850J Crawler w/ 6081T/A/H PowerTech engine
John Deere 853G Feller Buncher After 3083 w/ 6081T/A/H PowerTech engine
John Deere 6081HF070 Power Unit Piston Codes 4801, 4803, 4806 w/ 6081T/A/H PowerTech engine
John Deere 7710 Tractor After 89999 w/ 6081T/A/H PowerTech engine
John Deere 795G Feller Buncher w/ 6081T/A/H PowerTech engine
John Deere 1710D Forwarder w/ 6081T/A/H PowerTech engine
John Deere 8120 Tractor w/ 6081T/A/H PowerTech engine
John Deere 772D Grader w/ 6081T/A/H PowerTech engine
John Deere 608B Feller Buncher After 5013 w/ 6081T/A/H PowerTech engine
John Deere 703G Feller Buncher w/ 6081T/A/H PowerTech engine
John Deere 6081HF070 Power Unit Piston code 4802 w/ 6081A/H PowerTech engine
John Deere 9650CTS Combine Late w/ 6081A/H PowerTech engine
John Deere 903J Feller Buncher w/ 6081A/H PowerTech engine
John Deere 853J Feller Buncher w/ 6081A/H PowerTech engine
John Deere 9120 Tractor Thru ESN 239018 w/ 6081A/H PowerTech engine
John Deere 9640 Combine w/ 6081HZ017 w/ 6081A/H PowerTech engine
John Deere 8320 Tractor w/ 6081T/A/H PowerTech engine
John Deere 9650 Combine Late w/ 6081A/H PowerTech engine
John Deere 9760STS Combine Thru ESN 233485 w/ 6081A/H PowerTech engine
John Deere 608S Feller Buncher After 7075 w/ 6081T/A/H PowerTech engine
John Deere 9680 Combine w/ 6081HZ011 w/ 6081A/H PowerTech engine
John Deere 9660 Combine w/ 6081A/H PowerTech engine
John Deere 9660STS Combine w/ 6081A/H PowerTech engine
John Deere 953J Feller Buncher w/ 6081A/H PowerTech engine
John Deere 9560STS Combine w/ 6081A/H PowerTech engine
John Deere 8420 Tractor Thru ESN 239018 w/ 6081A/H PowerTech engine
John Deere 9660CTS Combine w/ 6081A/H PowerTech engine
John Deere 6081HFN Power Unit w/ 6081HFN engine
John Deere 4920 Sprayer w/ 6081A/H PowerTech engine
John Deere 8420T Tractor Thru ESN 228883 and After ESN 239018 w/ 6081A/H PowerTech engine
John Deere 9760STS Combine After ESN 233485 w/ 6081A/H PowerTech engine
John Deere 9120 Tractor After ESN 239018 w/ 6081A/H PowerTech engine
John Deere 6081AFM75 Power Unit Marine w/ 6081A/H PowerTech engine
John Deere 9680 Combine w/ 6081HZ019 w/ 6081A/H PowerTech engine
John Deere 8420 Tractor After ESN 239018 w/ 6081A/H PowerTech engine
John Deere 8320T Tractor w/ 6081T/A/H PowerTech engine
John Deere 8420T Tractor ESN 228884-239018 w/ 6081A/H PowerTech engine
John Deere 9996 Cotton Picker w/ 6081A/H PowerTech engine
John Deere 8520 Tractor w/ 6081A/H PowerTech engine
John Deere 8520T Tractor w/ 6081A/H PowerTech engine
John Deere 250D Dump Truck Late w/ 6081A/H PowerTech engine
John Deere 300D Dump Truck Late w/ 6081A/H PowerTech engine
John Deere 9650STS Combine Late w/ 6081A/H PowerTech engine
John Deere 7200 Forage Harvester w/ 6081A/H PowerTech engine
John Deere 9750STS Combine Late w/ 6081A/H PowerTech engine
John Deere 9650 Combine Early w/ 6081A/H PowerTech engine
John Deere 9610 Combine w/ 6081A/H PowerTech engine
John Deere 8300 Tractor After TSN 9999 w/ 6081T/A/H PowerTech engine
John Deere 8310 Tractor w/ 6081T/A/H PowerTech engine
John Deere 8310T Tractor w/ 6081T/A/H PowerTech engine
John Deere 8400 Tractor w/ 6081T/A/H PowerTech engine
John Deere 6081AF Power Unit Piston code 4801 or 4803 w/ 6081T/A/H PowerTech engine
John Deere 660D Log Skidder w/ 6081T/A/H PowerTech engine
John Deere 6081TF Power Unit Piston code 4801 or 4803 w/ 6081T/A/H PowerTech engine
John Deere 8400T Tractor w/ 6081T/A/H PowerTech engine
John Deere 9100 Tractor w/ 6081T/A/H PowerTech engine
John Deere 560D Log Skidder Early w/ 6081T/A/H PowerTech engine
John Deere CTS II Combine w/ 6081A/H PowerTech engine
John Deere 9750STS Combine Early w/ 6081A/H PowerTech engine
John Deere 8200T Tractor w/ 6081T/A/H PowerTech engine
John Deere 8410T Tractor w/ 6081A/H PowerTech engine
John Deere 8410 Tractor w/ 6081A/H PowerTech engine
John Deere 6081AF Power Unit Piston code 4802 w/ 6081A/H PowerTech engine
John Deere 250D Dump Truck Early w/ 6081A/H PowerTech engine
John Deere 300D Dump Truck Early w/ 6081A/H PowerTech engine
John Deere 9976 Cotton Picker w/ 6081A/H PowerTech engine
John Deere 9986 Cotton Picker w/ 6081A/H PowerTech engine
John Deere 8110 Tractor w/ 6081T/A/H PowerTech engine
John Deere 8100T Tractor w/ 6081T/A/H PowerTech engine
John Deere 8100 Tractor After TSN 9999 w/ 6081T/A/H PowerTech engine
John Deere 7710 Tractor Thru 89999 w/ 6081T/A/H PowerTech engine
John Deere 6610 Forage Harvester Late w/ 6081A/H PowerTech engine
John Deere 8110T Tractor w/ 6081T/A/H PowerTech engine
John Deere 6081AFM01 Power Unit Marine w/ 6081A/H PowerTech engine
John Deere 9650CTS Combine Early w/ 6081A/H PowerTech engine
John Deere 6650 Forage Harvester w/ 6081A/H PowerTech engine
John Deere 9650STS Combine Early w/ 6081A/H PowerTech engine
John Deere 9970 Cotton Picker Mid w/ 6081T/A/H PowerTech engine
John Deere 850C-II Crawler w/ 6081T/A/H PowerTech engine
John Deere 770C Grader w/ 6081T/A/H PowerTech engine
John Deere 740G Log Skidder Late w/ 6081T/A/H PowerTech engine
John Deere 848G Log Skidder w/ 6081T/A/H PowerTech engine
John Deere 770CH-II Grader w/ 6081T/A/H PowerTech engine
John Deere 748G Log Skidder Late w/ 6081T/A/H PowerTech engine
John Deere 8210T Tractor w/ 6081T/A/H PowerTech engine
John Deere 748G-III Log Skidder Early w/ 6081T/A/H PowerTech engine
John Deere 8210 Tractor w/ 6081T/A/H PowerTech engine
John Deere 762B-II Scraper After 818908 w/ 6081T/A/H PowerTech engine
John Deere 772CH-II Grader w/ 6081T/A/H PowerTech engine
John Deere 772CH Grader w/ 6081T/A/H PowerTech engine
John Deere 770C-II Grader w/ 6081T/A/H PowerTech engine
John Deere 770CH Grader w/ 6081T/A/H PowerTech engine
John Deere 9510 Combine w/ 6081T/A/H PowerTech engine
John Deere 8300T Tractor w/ 6081T/A/H PowerTech engine
John Deere 8200 Tractor After TSN 9999 w/ 6081T/A/H PowerTech engine
John Deere 644G Wheel Loader Late w/ 6081T/A/H PowerTech engine
John Deere 644H Wheel Loader Early w/ 6081T/A/H PowerTech engine
John Deere 8
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.