Cummins Westport Inc. - Products

Natural Gas Engines 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.

download
Clean Air Solutions for Transit

download
Clean Air Solutions for Vocational Trucks

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

download
Information Flyer
(844 kb)

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)	Spec Sheet
BG-230	230 (172) @ 2800 RPM	500 (678) @ 1600 RPM	download PDF
BG-200	200 (149) @ 2800 RPM	465 (631) @ 1600 RPM	download PDF
BG-195	195 (145) @ 2800 RPM	420 (570) @ 1600 RPM	download PDF

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