Technology

Engines & Transmission

JBM Buses use Cummins ISB 5.9 G Helios & Cummins ISC 8.3 G280 for it's CNG variant whose emission level is compliant to BS4. Both of these have Automatic Transmission with in-built retarder. JBM Buses use Cummins ISBe 6.7 for it's Diesel variant.

Cummins ISB 5.9 G Helios CNG bus engine has a horse power of 230 hp @ 2800 RPM and a Torque of 678 Nm @ 1600 RPM. It has 6 cylinders, Vertical in line which is turbo charged and inter cooled. It has displacement of 5900 cc.

Cummins ISC 8.3 G280 CNG bus engine has a horse power of 280 hp @ 2400 RPM and a Torque of 1152 Nm @ 1400 RPM. It has 6 cylinders, Vertical in line which is turbo charged and inter cooled. It has displacement of 8300 cc.

Cummins ISBe 6.7 Diesel bus engine has a horse power of 281 hp @ 2300 RPM and a Torque of 1020 Nm @ 1200-1800 RPM. It has 6 cylinders, Vertical in line which is turbo charged and inter cooled. It has displacement of 6700 cc.