It all starts with the right engine

Whether diesel, propane, gas or electric, long-range trips or short local drives, we have the power to meet your needs today and are pioneering the engines of tomorrow. With an attention to detail and focus on your fleet, we keep you on the road and moving forward.

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Fuel Options

Diesel

  • Most commonly selected fuel choice
  • Proven reputation for durability
  • Improved mileage
  • Cleaner formula than prior years
  • Robust infrastructure already in place
  • Technicians with deep knowledge readily available
  • Strong residual value

 

Propane

  • Available fuel subsidies
  • More stable fuel pricing
  • Cleaner burning than diesel
  • Better startup and fewer complexities in cold weather
  • Higher acquisition costs, often offset by subsidies or incentives
  • Easier and less costly to maintain
  • No idling restrictions
  • Idling less detrimental to the vehicle
  • Quieter engine
  • No aftertreatment required
  • 90% domestic fuel

 

Gasoline

  • Technicians with deep knowledge, readily available
  • Better startup and fewer complexities in cold weather
  • Quieter engine
  • Idling is less detrimental to the vehicle
  • No aftertreatment required
  • Lowest acquisition cost
  • Most districts already running gasoline buses (Type A)
  • Easier and less costly to maintain

 


 

Engine Options

No matter which engine you choose to suit your needs, rock-solid durability always comes standard.

 

Cummins B6-7

Cummins B6.7 SPECIFICATIONS

Engine Type
Diesel, 4-Cycle

Configuration
Inline, 6-Cylinder

Displacement
409 cu. in. (6.7L)

Bore and Stroke
4.21 x 4.88 in

Aspiration
Variable Geometry Turbocharger

Combustion System
Direct Injection

Engine Lubrication
15L

Total Engine Weight (Dry)
1,150 lbs.

Horsepower
200-260 hp

Torque
520-660 lb.-ft.


 

Propane Bus Engine

PSI 8.8L Propane SPECIFICATIONS

Cylinders
V8

Induction System
Naturally Aspirated

Combustion System
Spark-ignited

Displacement
535 cid (8.767 L)

Compression Ratio
10.1:1

Emissions Certification
US EPA & CARB HD-SI

Engine Oil Capacity (with filter)
7.5 qts (7.10 L)

Fuel Type
Propane

Bore & Stroke
4.35 in x 4.50 in (110.5 mm x 114.3 mm)

Rated Power
270 hp (201 kw)

Rated Torque
565 lb.-ft. (766 nm)

Cooling System
Water-cooled

Engine Coolant Capacity
16 qts

Engine Oil Capacity
7.0 qts (6.62 L)

Direction of Rotation
Clockwise From Front

Dry Weight
748 lb. (339 kg)


 

Gas Bus Engine

PSI 8.8L Gasoline SPECIFICATIONS

Cylinders
V8

Induction System
Naturally Aspirated

Combustion System
Spark-ignited

Displacement
535 cid (8.767 L)

Compression Ratio
9.1:1

Engine Oil Capacity
7.0 qts (6.62 L)

Direction of Rotation
Clockwise From Front

Dry Weight
748 lb. (339 kg)

Bore & Stroke
4.35 in x 4.50 in (110.5 mm x 114.3 mm)

Rated Power
265 hp (197.6 kw)

Rated Torque
548 lb.-ft. (743 nm)

Cooling System
Water-cooled

Engine Coolant Capacity
16 qts

Engine Oil Capacity (with filter)
7.5 qts (7.10 L)

Fuel Type
Gasoline


 

Cummins L9 Engine

Cummins L9 SPECIFICATIONS

Cylinders
Inline 6

Fuel Type
Diesel

Combustion System
Direct Injection

Horsepower
300 (max)

Torque
860 lb-ft. (max)

Bore & Stroke
4.49" 5.69"

Engine Lubrication
15L

Rated Power
270 hp (201 kw)

Dry Weight
1,695 lbs.

Displacement
5.43 cu. in. (8.9L)

Aspiration
Variable Geometry Turbocharger