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Cummins 6BT / 6BTA 5.9 Specifications

ConfigurationIn-line 6-cylinder, 4-stroke diesel
Bore & Stroke102 mm x 119 mm (4.02 in x 4.72 in)
Displacement5.9 L (359 in3)
RotationCounterclockwise facing flywheel
  • Highest production 6 liter diesel ever made and is still in production in over 6 countries worldwide
  • The most proven mid-range diesel platform and is used in multiple markets
  • The 6BT is the engine that put the Dodge Ram on the map and is still the most popular diesel pickup truck made today
  • HX or Keel Cooling configurations / Seawater or Jacket Water Aftercooled
  • Simple 12 valve mechanical design with parts pricing that no other engine can touch

Technical Resources

Cummins 6B & QSB Oil Filters

Lots of questions come up on what oil filter I should be using on the Cummins B or QSB 5.9. Below is what I can share based on using and working with this engine since... Read More

330-370 Diamond--19SI alternator & remote oil filt kit 330-370 B Diamond Trans Cooler upgrade 330-370 Bosch p7100 Injection Pump 330-370 Diamond-Heater modual and 2-bolt starter 330-370 Diamond--HX side 330-370 Diamond--ZF220A transmisssion (1) 330-370 Diamond--ZF220A transmisssion 330-370 Diamond-ZF280A gear (1) 330-370 Diamond-ZF280A gear 330-370 Diamong with SMX Pump & Envirovent kits 330-370 Diamong-24SI alternator

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