Current Lead Times: In Stock Engines Ship Same or Next Day - Out of Stock: 1-3 Weeks on Most Long Block Engines; 3-5 Days on Heads – *call us for more exact lead times for your specific build 
Frequently Asked Questions
(All prices are subject to change)

Sales & Service Questions

Short blocks have the following included:

  • Lower block, crankshaft, connecting rods, pistons, rings, main
    bearings, rod bearings, cam bearings, gaskets, harmonic balancer, flexplate/flywheel  ( on most engines), rear main seal.
  • To sum it up, this does not include any bolt on parts.

WARNING!!! Only purchase this unit if you have a qualified engine specialist who can properly clean, rework, and assemble to a complete running engine, it will require numerous new parts, and a lot of time not recommended for the weekend warrior !!! Be sure to read our Warranty on this item. Here

Long blocks include:

  • All the mentioned items of the short block assembly plus the complete cylinder head(s), rocker assemblies and pushrods. At times the The rocker boxes are not installed ( depending on the engine) They are placed on the engine to protect trash from getting into the engine.

Our standard short and long blocks do not come with:

  • Wiring harnesses, sensors, belts, hoses, motor mounts, injectors,
    fuel pumps, valve covers (these come on only for shipping
    purposes), turbos or water pumps.

You can buy these bolt on items from us and we can ship them too you but you must install them yourself.

Good Question! Our Names do are really describing what you get. Think about the names. The Model C for example. ( The Model T was the first Car by Henry Ford. Big Ford fans over here!) Our business name is Cho… and here is your awha moment.   

But for a bit of a longer more technical description Read below.  

The Model C : 

Just a notch above stock level performance. Comparable to OEM  diesel crate motors, BUT with upgrades to fix the OEM’s shortcomings 

 The Daily Driver:

500 HP rated. (depending on the Platform)
This CHOATE engine is fully balanced, and is the perfect engine for spirited daily driving, consumer level towing and everyday life.
Upgrades over the Model C include but are not limited to: Torque Plate Honing; Full Engine Balancing; Harmonic Balancer; Head Studs; Valve Seats; Rear Cover and Pickup Tube; Oil Pans; Welded Crank Gear; 

The Workhorse:

 600 HP rated ( Depending on the Platform). Designed with the working man in mind. The perfect platform for those who do heavy hauling regularly. Fully balanced. Upgrades over the Daily Driver include but are not limited to: O-Ringed Heads; Billet Flex Plate; Coated, Fly Cut and Delipped Pistons; Stage 2 Cam; Chromoly Pushrods; Welded Cam Gear;

The Cass-quatch:

1,000 HP and up. Full custom build. Designed for high performance, competition use. To be built based on customer’s intended use. We will need to work closely with you and the customer to build this to their needs. Exact pricing depends on customer’s needs.


Our CHOATE ‘full runner’s include:


  • Front Seal
  • Oil Cooler
  • Oil filter and base
  • Low Pressure oil pump
  • Rear seal
  • Camshaft positioning sensor
  • Crankshaft position
  • Dual Thermostats
  • Fuel filters
  • Exhaust back pressure
  • Water pump
  • Glow plugs
  • Push Rods
  • Air intake temperature sensor
  • Breather
  • Up pipes
  • Fuel injectors
  • Fuel pump
  • Oil fill cap
  • EGR cooler outlet temperature
  • Turbocharger- Low
  • Turbocharger- High

It is hard to set about and name all items included because we service all 3 platforms. The Powerstroke, Cummins, and Duramax. It is always best to get a quote or look at the listing of the Full Running Engine that you are buying from CHOATE. The Example above is an Idea of what you would be getting along with your CHOATE Long block. 

When you’re ready to send in your core, it’s important to make sure that all fluids have been drained, the core has been shrink-wrapped, and it’s securely strapped to the pallet and crate provided. Additionally, you are required to submit images of your core to a customer service representative before a shipping BOL can be provided to you., Please make sure to include the laminated pallet ID card that was stapled to the pallet when you received your engine. This will help us process your core return in a timely and efficient manner. For More Information on the whole Process please go Here.

Not necessarily. If your injectors are in fact good, you’re fine to reuse them. However, it is very common for trucks to run well enough that the driver can’t tell a difference, with bad injectors. And even slightly bad injectors can eventually cause catastrophic damage to an engine. We highly recommend that you get your injectors tested by a reputable facility before reinstalling them into a new engine.  

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*Please choose the year first
*If you know your vin number before hand it is very helpful during the quotation period. Please note that this will be required before the engine is built.

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