6.7L Cummins Long Block ISB/QSB Diesel Engine, Rear Gear Drive

CHOATE 6.7L Long Block Industrial Engine 2007.5-2018 –  Cummins Diesel Engine

This engine fits:

• Komatsu
• Case
• Tiger Cat
• Sany
• Bluebird
• F650/F750
• International
• Kalmar Ottawa
• JCB
• UHI
• Hyundai
• LTMG
• CAT
• John Deere
• Doosan
• Ingersol Rand
• Freightliner
• Kenworth
• Paccar PX6/PX7
• Ram Pickup
• Onan

This engine will be “dressed” for your application- Tier 3; Tier 4; and Tier 4 Final

This engine is built for mulitiple applications:

• Excavator
• Backhoe
• Grapple Loader
• Bus
• Bucket Truck
• Class 7 OTR Transport
• Spotter/Yard Dog Trucks
• Wheel Loader
• BullDozer
• Combine
• Tractor
• Air Compressor
• Pickup Truck
• Wood Chipper
• Generator

If you have questions about an engine for your application that you may not see on our website, chances are we have it. Give us a call! (901)553-9847

Manufacturer: CHOATE Engineering Performance

CHOATE Part Number: CEP67QRDI

Fitment : 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018

This 6.7L ISB/QSB Diesel Engine Includes:

• Our Built-In-House Heads
• New Oil Pump
• Magnuflux and Pressure Test Heads, Cut Valves, New Induction-Hardened Seats, All New Valve Guides, Install New Valve Seals, Test Spring Tension
• Full CNC blueprint machining, (bore, deck, hone, and line honed) (See Video)
• The Cylinder bores are blueprint bored from the crankshaft centerline, prior to being diamond-honed to within .0002 inch for the precise piston to cylinder bore clearances.
• The main bore (line bore) for the crankshaft is honed to precisely align the crankshaft in the engine block. (See Video)
• Bore block back to crankshaft centerline Honed Block to RA13 finish. Piston diameter measured to the nearest .0001 inch matched to cylinder bores.
• The cylinder block is surfaced to sa finish of RA30 or lower, which exceeds the factory specification in both flatness and smoothness for the block to head sealing surface.
• This is mandatory for proper sealing of an MLS Gasket
• Check both wrist pin and crank pin to rod clearancess
• Crankshaft is Polished and ground to .0005 concentricity or less
• NEW Pistons
• New Rings
• New Pin Retainers
• New Tappets, Main Cap
• New Rod Bearings
• New Main Bearings
• New Cam Bearings
• Camshaft – Polished and Inspected
• Head studs
• Install Rear Main Seal
• Oil Pan Gaskets
• Pickup Tube Gasket
• Rear Cover Installed
• Front Cover Gasket
• Balanced and Weight Matched for longer lasting bearings and smooth operation (See Video)
• Head Gasket
• Blow proof 6.7 Freeze plugs designed in house by our Engineers at Choate. (See Video)

Description:

The ISB/QSB 6.7L Cummins is used in many applications including yard tractors and several types of industrial equipment, for model years 2007-2018. This Common Rail engine also used in marine vessels, agricultural machinery, construction equipment, mining equipment, rail engines, and material-handling equipment​

• Upgraded over the factory engine and built to outlast the OE.
• Great commercial warranty on with upgradeable options
• Manufactured in the USA with our professional team.

Common Issues With The ISB/QSB Cummins 6.7L Diesel Engine (and how we fix them)

Cylinder Heads- While there aren’t as many issues with the bottom end of the Cummins, there are really BIG problems in the head department.

Valve seats fallout contacting the piston and cause catastrophic failure. We machine oversize valve seats within increased press fit area to remedy this issue.

Stamped gallery plugs in the heads blow out causing a mixture of oil and coolant, destroying the bearings. We thread the head and insert threaded plugs to make sure this issue never rears its ugly head.

Plus: Freeze plugs in the block blow out leaving you at best stranded on the side of the road, at worst, with a severely overheated engine in need of remanufacturing. Every new Choate Cummins engine comes standard with billet freeze plugs that are blow out proof using a tie bar bolting them into the side of the block.

What does blueprinting an engine mean?

All our 6.7 Cummins ISB/QSB Diesel Engines come with a Billet Blow-Proof Freeze Plugs

Do you really need balancing though? Or is it just a lot of hype?

If you would like to learn more about the Cummins engine failures and what Choate Engineering Performance does to fix them, listen to this Podcast. Cass walks through each year model and gives sheds some technical light and understanding to these very important problems.