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Engine Kit Technical Information: 1.800" Pin Dia. From Ser No. 2539001. May be used before this serial no. if counterbores are reworked. Standard Crankshaft Rod Journal Diameter - 2.998-2.999 Standard Crankshaft Main Journal Diameter - 3.498-3.499 Kit is for Piston Number A152485 Single Groove On Injection Line Nut, Modified Combustion Bowl Profile Piston Specs: Material: Aluminum Bore Diameter: 4.625IN Piston Length: 5.25IN Piston Pin Diameter: 1.7995IN Piston Pin Part Number (Cram): 2231909 Compression Distance: 3.375IN Compression Ring Groove 1: 2-1/8IN Oil Ring Groove Width 1: 3/16IN Sleeve Specs: Bore Diameter: 4.625IN Flange Outer Diameter: 5.415IN Flange Width: 0.252IN Sleeve O.D. at Pilot: 5.153IN Sleeve O.D. at Barrel: 5.100IN Sleeve Outer Diameter at Seal: 5.066IN Length: 10.210IN Firewall: 0.036 Sleeve Type: Wet Engine Kit Fits: Case Wheel Tractor: 2390 After ESN 10339530, 2394, 2590 After ESN 10338578, 2594, 3294, 3394, 3594, 4490 After ESN 10338516, 4494 Crawlers: 1450B & 1455B After ESN 10335336 Fell Bunchers: 1187 & 1187B Loaders: W30 Parts Included in Engine Inframe Kit (6) Sleeve Assembly (Sleeve, Piston, Wrist Pin, Piston Rings) (6) Connecting Rod Bearing Pair (1) Main Bearing Set (1) Head Gasket Set (1) Oil Pan Gasket Parts Included in Engine Out of Frame Kit (6) Sleeve Assembly (Sleeve, Piston, Wrist Pin, Piston Rings) (6) Connecting Rod Bearing Pair (1) Main Bearing Set (1) Full Gasket Set w/Crank Seals |
OEM Part Number Cross Reference(s): B93829
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.
