2002 Roadmaster Rail A-Straight Rail 6CT8.3 8.3 Cummins Remanufactured Long Block Engine
DIESEL • Dyno Tested • Warranty Included

About This Cummins 6CT8.3 Remanufactured Long Block
Looking for a quality remanufactured long block engine for your 2002 Roadmaster Rail A-Straight Rail? US Engine Production offers premium remanufactured Cummins 6CT8.3 long block engines that meet or exceed OEM specifications. Our remanufactured long blocks are completely disassembled, cleaned, inspected, and rebuilt using new components where necessary.
Every remanufactured diesel long block undergoes rigorous dynamometer testing to ensure optimal performance. With over 40 years of experience and a database of 473,000+ engines, we're America's trusted source for remanufactured long block engines.
Common Cummins 6CT8.3 Problems We Address
Our remanufacturing process specifically addresses these known issues with Cummins 6CT8.3 engines:
- EGR cooler failures leading to coolant leaks
- Turbocharger actuator issues causing reduced power
- Fuel injector problems resulting in rough idle
- Head gasket failures from overheating
- Crankshaft position sensor failures
- Oil dilution from regeneration cycles
Our technicians use updated components and improved techniques to prevent these common failures in your remanufactured engine.
Engine Specifications
What's Included With Your Remanufactured Long Block
Complete long block assembly with all new/remanufactured components
Core Components
- Remanufactured Engine Block
Cleaned, inspected, and machined to OEM specifications
- New Pistons & Rings
Premium quality pistons with new ring sets
- Reground Crankshaft
Precision ground to factory tolerances
- New Main Bearings
OEM-spec main bearings for proper clearance
- New Rod Bearings
Connecting rod bearings replaced
- New Camshaft
New or reground camshaft (where applicable)
Timing Components
- New Timing Chain/Belt
Complete timing set included
- New Timing Gears/Sprockets
All timing components replaced
- New Tensioners & Guides
Timing tensioners and guides included
Valvetrain
- New Lifters/Tappets
Hydraulic or solid lifters replaced
- Reconditioned Cylinder Head(s)
Heads resurfaced and pressure tested
- New Valve Seals
All valve stem seals replaced
Seals & Lubrication
- New Oil Pump
Oil pump replaced for proper lubrication
- New Gasket Set
Complete gasket set included
- New Front & Rear Seals
All main seals replaced
- New Freeze Plugs
Core plugs replaced
Frequently Asked Questions: 2002 Roadmaster Rail A-Straight Rail Cummins 6CT8.3 Remanufactured Engine
A remanufactured Cummins 6CT8.3 8.3L engine typically costs 40-60% less than a brand new engine from the dealer, making it the most cost-effective option for your 2002 Roadmaster Rail A-Straight Rail. The exact price depends on the specific configuration, condition of your core return, and current availability. For an accurate, no-obligation quote on a Cummins 6CT8.3 remanufactured long block for your 2002 Roadmaster Rail A-Straight Rail, call our engine specialists at (631) 991-7700 or request a quote online. We offer competitive pricing with free nationwide shipping.
What Our Customers Say
Trusted by thousands of customers nationwide
"Needed an engine fast for my work truck. They had it in stock and shipped same day. Engine is running perfectly. Highly recommend!"
"Excellent quality engine at a great price. The team was very helpful in finding the right engine for my truck. Shipped fast and arrived in perfect condition."
"I've bought several engines from US Engine Production over the years. Always top quality and their customer service is the best in the business."
Warranty & Quality Assurance
Core Return Required: A refundable core deposit is required. We provide a prepaid shipping label for your old engine core return.
Call us for the best price on this Cummins 6CT8.3 remanufactured long block. Prices may vary based on configuration.
Email: [email protected]
Why US Engine Production?
- 40+ years of experience
- 473,000+ engines in database
- Nationwide shipping
- Expert technical support
- Quality guaranteed
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More Roadmaster Rail A-Straight Rail Engines
Other model years available for the Roadmaster Rail A-Straight Rail
2004 Roadmaster Rail A-Straight Rail
Cummins ISC 8.3 8.3L
2004 Roadmaster Rail A-Straight Rail
Cummins ISB 5.9L
2009 Roadmaster Rail A-Straight Rail
Cummins ISB 6.7 6.7L
2008 Roadmaster Rail A-Straight Rail
Cummins ISB 6.7 6.7L
2004 Roadmaster Rail A-Straight Rail
Caterpillar 3126 7.2L
2006 Roadmaster Rail A-Straight Rail
Caterpillar C7 7.2L
2008 Roadmaster Rail A-Straight Rail
Cummins ISB 5.9L
2005 Roadmaster Rail A-Straight Rail
Cummins ISB 5.9L
Vehicles with Cummins 6CT8.3 Engine
This same engine is also available for these vehicles
1995 Freightliner FL80
6CT8.3 8.3L DIESEL
1989 Freightliner FLC112
6CT8.3 8.3L DIESEL
1995 Oshkosh Motor Truck Co. A
6CT8.3 8.3L DIESEL
1997 Gillig Motorhome
6CT8.3 8.3L DIESEL
1990 Peterbilt 357
6CT8.3 8.3L DIESEL
2000 Freightliner XB Line
6CT8.3 8.3L DIESEL
1998 Spartan Motors Gladiator
6CT8.3 8.3L DIESEL
1993 Oshkosh Motor Truck Co. V Line
6CT8.3 8.3L DIESEL
More Roadmaster Rail Engines
Browse other Roadmaster Rail models with remanufactured engines
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Caterpillar C13 12.5L
2005 Roadmaster Rail S-Monocoque
Detroit Diesel Series 60 14L
1996 Roadmaster Rail Executive Signature
Cummins
2000 Roadmaster Rail Executive Signature
Cummins
2003 Roadmaster Rail S-Monocoque
Cummins ISC 8.3 8.3L
2003 Roadmaster Rail D-Series
Cummins ISC 8.3 8.3L
2007 Roadmaster Rail S-Monocoque
Cummins ISL 8.9 8.9L
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Explore other Cummins engine models we carry
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2003 Freightliner FLD120
Cummins Signature 600 15L DIESEL
2006 Workhorse Custom Chassis W42
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1994 White/GMC WIA
Cummins N14 14L DIESEL
1989 International 2275
Cummins N14 14L DIESEL
1992 International 2674
Cummins L10 10L DIESEL
2024 Freightliner XC Raised Rail
Cummins ISX 15.0 15L DIESEL
1998 Peterbilt 379
Cummins N14 14L DIESEL
Similar 8.3L DIESEL Engines
Other diesel engines with similar specifications
2007 Sterling Truck LT7500
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1999 Peterbilt 357
Cummins 6CT8.3 DIESEL
1993 Kenworth T450
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1995 Spartan Motors GT-One
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2010 Freightliner M2 106
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1990 Western Star 3800
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Buy Cummins 6CT8.3 Remanufactured Long Block Engines
US Engine Production is your trusted source for remanufactured Cummins long block engines. Our 6CT8.3 remanufactured long blocks for Roadmaster Rail vehicles include all new internal components including pistons, rings, bearings, timing components, and gaskets. Every long block is dyno tested and backed by our 1-year, unlimited mileage warranty. Whether you need a replacement long block engine for your 2002 Roadmaster Rail A-Straight Railor any other application, our team of experts is ready to help. Call us at (631) 991-7700 or email [email protected] for a free quote today.
