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
2004 Mack LE
Mack AI-300A 11.9L
2010 Mack LE
Mack AMI-300 11.9L
1996 Mack LE
Mack E7 11.9L
2003 Mack LE
Mack E7 11.9L
1995 Mack LE
Mack E7 11.9L
2007 Mack LE
Mack AI-300A 11.9L
1997 Mack LE
Cummins 6CT8.3 8.3L
2001 Mack LE
Mack E7 11.9L
Vehicles with Cummins 6CT8.3 Engine
This same engine is also available for these vehicles
1995 Kenworth T300
6CT8.3 8.3L DIESEL
1994 Ford LT8000F
6CT8.3 8.3L DIESEL
1996 Ford L8000F
6CT8.3 8.3L DIESEL
1991 Spartan Motors Motorhome
6CT8.3 8.3L DIESEL
1999 Spartan Motors Mountain Master
6CT8.3 8.3L DIESEL
1997 Ford L8000F
6CT8.3 8.3L DIESEL
1999 Sterling Truck LT8511
6CT8.3 8.3L DIESEL
1996 Ottawa YT50
6CT8.3 8.3L DIESEL
More Mack Engines
Browse other Mack models with remanufactured engines
1984 Mack RWS
Mack E6 11.0L
2013 Mack TD700
Mack MP10 16.1L
1996 Mack CH
Mack E7 11.9L
1981 Mack RWL
Mack EM9 16.4L
2015 Mack CXU
Mack MP8 12.8L
1986 Mack RW
Mack E9 16.4L
1985 Mack R
1994 Mack CL
Mack E7 11.9L
More Cummins Engines
Explore other Cummins engine models we carry
1996 Peterbilt 375
Cummins 6CT8.3 8.3L DIESEL
2012 Kenworth C500
Cummins ISX 15.0 15.0L DIESEL
1987 Mack RW
Cummins N14 14.0L DIESEL
2006 Peterbilt 385
Cummins ISX 15.0 15.0L DIESEL
1989 Pierce Mfg. Inc. Enclosed Cab
Cummins N14 14.0L DIESEL
2000 Kenworth W900
Cummins ISX 15.0 15.0L DIESEL
2001 Ottawa YT60T
Cummins 6CT8.3 8.3L DIESEL
1991 Chevrolet P30
Cummins 3.9L DIESEL
Similar 8.3L DIESEL Engines
Other diesel engines with similar specifications
2002 Kenworth T300
Cummins ISC 8.3 DIESEL
2005 Peterbilt 335
Cummins ISC 8.3 DIESEL
1998 Nova Bus Corporation T706
Cummins 6CT8.3 DIESEL
2012 Kenworth T400
PACCAR PX-8 DIESEL
2013 Spartan Motors Gladiator
Cummins ISC 8.3 DIESEL
2005 Sterling Truck LT8500
Cummins ISC 8.3 DIESEL
2005 Thomas Transit Liner
Cummins ISC 8.3 DIESEL
1998 Pierce Mfg. Inc. Enclosed Cab
Cummins 6CT8.3 DIESEL
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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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WARNING: Crude oil, gasoline, diesel fuel and other petroleum products can expose you to chemicals including toluene and benzene, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov
