Alternative Fuel Engines | Natural Gas Engine | Transit Engines for Truck & Bus | Cummins Westport

B GAS PLUS.

Natural Gas Engine for Truck and Bus

Welcome to the next evolution of truck and bus power from the world leader in alternative fuel engines.  Cummins Westport is the industry leader in producing high-quality, economical natural gas engines to meet the growing demand for clean power worldwide.

Building on the rugged, reliable design of Cummins diesel engines, the Cummins Westport B Gas Plus engine is a six-cylinder Lean-Burn Spark-Ignited natural gas vehicle engine that delivers from 195 to 230 hp with ultra-low emissions.  It provides excellent torque, high fuel efficiency and reliable, robust performance.

For the B Gas International engine, click here.

FEATURES

  • Ultra-low emissions - certified to U.S. EPA and CARB 2007 standard and Euro V and EEV
  • Proven "Plus" technology
  • Reliable - easy to maintain
  • Economical - low-cost natural gas

SPECIFICATIONS

Advertised Horsepower 195-230 hp 145-172 kW
Peak Torque 420-500 lb-ft 570-678 N•m
Governed Speed 2800 rpm  
Clutch Engagement Torque 285 lb-ft 386 N•m
Number of Cylinders 6  
Compression Ratio 10:1  
Oil System Capacity 4.0 U.S. gal 15 L
Coolant Capacity 10.5 U.S. qts 9.9 L
Net Weight w/ Std Accessories, Dry 1,018 lbs 461 kg
Fuel Type CNG/LNG
Methane number 65 or greater

Cummins Westport engines can accept a wide range of natural gas fuel compositions. Use our Fuel Performance Specification Calculator to ensure compatibility.

RATINGS

Model Advertised HP
HP (kW)
Peak Torque
lb-ft (N•m)
BG-230 230 (172) @ 2800 RPM 500 (678) @ 1600 RPM
BG-200 200 (149) @ 2800 RPM 465 (631) @ 1600 RPM
BG-195 195 (145) @ 2800 RPM 420 (570) @ 1600 RPM

MAINTENANCE INTERVALS

  Miles (Kilometers) Hours Months
Oil and Filter 6,000 (10,000) 250 3
Fuel Filter 24,000 (38,000) 1,000 12
Spark Plugs (≥ 200 hp) 24,000 (38,000) 1,000 12
Spark Plugs (≤ 195hp) 36,000 (57,500) 1,500 18
Change Coolant 48,000 (77,000) 2,000 24
Valve Adjustment 24,000 (38,000) 1,000 12
Cummins Westport B Gas Plus natural gas engine



transit vehicles


wastehaulers


sweepers

Emissions  •   Warranty  •   Find a Distributor  •   Find a Truck/Bus Builder

Home  •   Products  •   Alternate Fuels  •   Frequently Asked Questions  •   Contact Us

Copyright © 1996–2009 Cummins Westport Inc. All Rights Reserved. Read our legal notice.