2001 Mack LE 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 2001 Mack LE? 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
Mack Vehicle Compatibility
Cummins 6CT8.3 engines are commonly found in these Mack vehicles:
- Anthem highway trucks
- Pinnacle sleeper trucks
- Granite vocational trucks
- TerraPro refuse trucks
- LR refuse trucks
- MD Series medium-duty trucks
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: 2001 Mack LE 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 2001 Mack LE. 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 2001 Mack LE, call our engine specialists at (631) 991-7700 or request a quote online. We offer competitive pricing and fast delivery.
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 Mack LE Engines
Other model years available for the Mack LE
1996 Mack LE
Mack E7 11.9L
2006 Mack LE
Cummins 6CT8.3 8.3L
1998 Mack LE
Cummins 6CT8.3 8.3L
1999 Mack LE
Mack E7 11.9L
2007 Mack LE
Mack AMI-300 11.9L
1998 Mack LE
Mack E7 11.9L
2002 Mack LE
Mack E7 11.9L
1995 Mack LE
Mack E7 11.9L
Vehicles with Cummins 6CT8.3 Engine
This same engine is also available for these vehicles
1998 Nova Bus Corporation T802
6CT8.3 8.3L DIESEL
1997 Ford L8513
6CT8.3 8.3L DIESEL
1997 Ford L8513
6CT8.3 8.3L DIESEL
2000 Blue Bird Commercial Bus
6CT8.3 8.3L DIESEL
1992 Western Star 3800
6CT8.3 8.3L DIESEL
1990 Spartan Motors Diamond
6CT8.3 8.3L DIESEL
1994 Duplex D9400
6CT8.3 8.3L DIESEL
1997 Ford LA8000F
6CT8.3 8.3L DIESEL
More Mack Engines
Browse other Mack models with remanufactured engines
2002 Mack CH
Mack EM7 11.9L
1990 Mack RB
Mack EM6-L 11.0L
1998 Mack RD
Caterpillar 3406 14.6L
1986 Mack MH
Caterpillar 3406 14.6L
1982 Mack MC
Mack EM6 11.0L
1991 Mack CH
Mack EM7 11.9L
1985 Mack MR
1990 Mack CS300P Mid-Liner
Renault MIDR06.20.30 8.8L
More Cummins Engines
Explore other Cummins engine models we carry
1986 Ford LNT9000
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2004 Dodge Ram 2500
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2013 Ford F650
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1988 White/GMC WHS
Cummins L10 10.0L DIESEL
1996 Oshkosh Motor Truck Co. P
Cummins N14 14.0L DIESEL
1994 Ford LNT9000
Cummins L10 10.0L DIESEL
2015 Ram 3500
Cummins ETK 6.7L DIESEL
1991 Crane Carrier IRL
Cummins 6CT8.3 8.3L DIESEL
Similar 8.3L DIESEL Engines
Other diesel engines with similar specifications
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1999 Sterling Truck LT8500
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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 Mack 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 2001 Mack LEor 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.
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