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Details about  Toyota Land Cruiser Cummins 4BT Adapter Kit FJ62, FJ80, FZJ80

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Toyota Land Cruiser Cummins 4BT Adapter Kit FJ62, FJ80, FZJ80
Item Ended
Item condition:
See compatible vehicles
Nov 13, 2013
US $1,500.00
$74.93 Standard Shipping | See details
Item location:
Corvallis, Oregon, United States


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Seller assumes all responsibility for this listing.

Item specifics

Condition: New Warranty: No
Country of Manufacture: United States

Land Cruiser FJ62, FJ80, FZJ80 Series Cummins Diesel 4BT Adapter Kit

Cummins 4BT Adapter Kit allows you to adapt a Cummins Diesel 3.9 liter “4BT” Diesel engine to the Land Cruiser FZJ80, FJ80, FJ62

WATCH VIDEO HERE http://www.youtube.com/watch?v=hmZX5-lmzI0

You can use the 4BT Adapter Kit on the 89-92 FJ62 and FJ80's. You'll need a bell housing and torque converter from a 93-94. Bolts right up!

Cummins 4BT Adapter Kit Includes;

  • Aluminum bell housing adapter
  • Billet forged steel flywheel
  • 4130 steel flex plate
  • new starter
  • Hardware
  • factory tach port

Jonesy’s keeps 4BT Adapters Kits in stock and submitted orders are shipped the very next business day!

About The 80 Series Automatic to Cummins 4BT Adapter Kit

Our adapter kit utilizes the Toyota FZJ80 bellhousing, instead of a replacement bellhousing, an adapter is supplied. This adapter has the Cummins 4BT bolt pattern on the front and the Toyota FZJ80, bell housing bolt pattern on the rear.
The transmission torque converter is coupled to the flywheel via a crankshaft adapter. The adapter has a special bolt pattern and spigot diameter on the transmission end with the Cummins 4BT crankshaft bolt pattern and spigot diameter on the engine end.
A new starter motor is supplied which matches the supplied flywheel. The Flywheel is attached to the rear of the Cummins 4BT. The supplied flex plate is then attached to the flywheel.
Flex plate bolts, which transfer power to the Toyota transmission, are accessible via an access plate as well as through the starter port.

Why Use our adapter? The 80 Series Cummins 4BT Adapter Kit allows you to retain the vehicle’s stock drive train. Greatly reducing the cost of an engine conversion.

Why do a diesel conversion? Your current stock engine may be getting old, or you like the idea of a diesel powered 80. Only USA FJ80′s and FZJ80′s came without stock diesels as an option. Diesels provide better fuel economy and torque. Today if you were to buy a toyota diesel, the engine alone would cost between $5,000 to $10,000 depending on mileage. While Cummins 4BT diesels are readily available for much less money and are equally reliable and cheaper to maintain.

Complete Cummins 6BT Conversion Kits are being developed. If interested, contact us. www.jonesysoffroad.com

Cummins 4BT vs 6BT
We are often asked what is the difference between the Cummins 4BT and the 6BT. The differences are significant; weight, horse power, torque and overall size. Which one is best? That is up to you. You’ll find that they share many similarities too. See below for details.

Cummins 4BT 3.9L The Cummins 4BT is essentially a 5.9L 12v Cummins with 2 cylinders removed. This 3.9L, 4 cylinder, inline diesel was commonly used in commercial van applications. Generous amounts of torque in a small package make the 4bt common for engine swaps in Jeeps & small trucks/suvs.
Cummins 4Bt Specifications
Engine Name: B3.9L 4BT
Applications: Chevrolet Step Vans, Commercial and Industrial Applications
Configuration: Inline 4-Cylinder Diesel
Displacement: 3.9L, 239 Cubic Inches
Bore: 4.02
Stroke: 4.72
Compression Ratio: 17.5:1
Aspiration: Holset Turbocharged
Valvetrain: OHV, 2 valves per cylinder, solid lifter camshaft
Engine Weight: 745-782
Oil Capacity: 10 Quarts
Horsepower: 105 hp @ 2,300 RPM
Torque: 265 lb-ft @ 1,600 RPM
GVWR: 16,000 lbs

Cummins 4BT Dimensions
Length: 30.6 Inches
Width: 24.6 Inches
Height: 37.7 Inches

Cummins 4BT Info
• Essentially a 4 cylinder version of the 6BT, the 4BT Cummins shares the same pistons, injectors, connecting rods, & valvetrain design as the 5.9L 6BT (12v).
• Cummins currently manufacturers the 4BT for marine, construction, agriculture, & other off-highway applications.
• 4BT stands for 4 cylinder, B-series, Turbocharged.
• The compact size, reputation of robustness, and abundance of aftermarket upgrades make the 4BT Cummins a popular choice for engine swaps in Jeeps, compact trucks/SUVs, and even half ton pickups.

Cummins 6BT 5.9L The Cummins B 5.9 was introduced in 1984 as an agriculture engine. It was not until 1989 that it became the first B-Series Cummins engine to be used in a light duty truck; the Dodge Ram. The B 5.9, also known as the “12 Valve”, became a popular alternative to the V8 engines typically used in these trucks, as it generated nearly double the torque at low engine speeds and nearly doubled the fuel ecomony as well. Mid-year in 1991, the B 5.9 received an intercooler. The 12 valve featured Bosch Direct Fuel Injection utilized a VE injection pump between 1989 – 1993, and a P7100 injection pump between 1994 – 1998. The 12 valve 5.9 remains one of the most popular versions of the Cummins produced.
5.9L 12v Cummins Specifications
Engine Name: B5.9L 6BT
Configuration: Inline 6-Cylinder Diesel
Displacement: 5.9L, 359 Cubic Inches
Bore: 4.02
Stroke: 4.72
Injection: Direct Injection;
• Bosch VE44 injection pump (1989-1993).
• Bosch P7100 injection pump (1994-1998).

Compression Ratio: 17.0:1
Aspiration: Holset Turbocharged
Valvetrain: OHV, 2 valves per cylinder, solid lifter camshaft
Engine Weight: Approx 975 lbs, 905 lbs dry
Oil Capcity: 12 Quarts
Horsepower: 160-215 hp @ 2,500 RPM
Torque: 400-440 lb-ft @ 1,600 RPM

Cummins 6BT Dimensions
Length: 40.0 inches
Width: 24.9 Inches
Height: 37.9 Inches

Cummins 6BT Info
• The 6BT 5.9L Cummins was introduced in 1984 and originally used in Case agriculture equipment.
• Engine does not use glowplugs.
• The 12-valve 5.9L is popular in Diesel motorsports due to its simplicity, reliability, strength, & performance potential.
• The 5.9L Cummins 12v is one of the most popular choices for engine swaps. In compact width, performance potential, and simplicity (all mechanical design, not electronic) allow it to be swapped with relative ease. Additionally, their are a large volume of 12 valves available making it an affordable process.
All figures were sourced from Cummins Inc. Columbus, Indiana USA

Jonesy’s Product Collection:
All products are hand selected and field tested prior to sale. Products denoted with the Jonesy’s Off Road Fabrication name are produced in house. We only make available products we deem the very best of each category. Jonesy’s Off Road Fabrication is a subsidiary of Jonesy’s Inc. an award winning custom automotive restoration and fabrication business. Ridgefield, WA USA.


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