KEM
Equipment, Inc.

800-304-0751
503-692-5012
503-692-1098 FAX

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Industrial Engines
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Mobile Engines

Mobile 2.4L
(LP, gasoline, dual fuel)

Mobile 3.0L
(LP, gasoline, dual fuel)

Mobile 4.3L
(LP, gasoline, dual fuel)

Mobile 5.7L
(GFI-CNG, GFI-LP)

Mobile 8.1L (GFI-LP)

Custom Mobile
Engine Applications
Various displacements and fuels certified or noncertified. We can help you determine and build the best engine for your application.

Operations Manuals:
 8.0L / 9.1L / 10.3L Stationary Operations Manual

Observed Power Curves:
 10.3L Stationary NG Power Curve |   10.3L Stationary LPG Power Curve

 

The 8.0L, 9.1L, and 10.3L engine family was designed from the ground up as an industrial engine. From the engine block to the heads to the camshaft, each component was designed to perform in an industrial application. KEM Equipment provides this engine platform with the proven reliable GM MEFI ECM. The ECM provides spark and fuel control making KEM Equipment’s 8.0L to 10.3L some of the cleanest running and most reliable engines available.

Family Highlights

  • Models available to run on propane or natural gas
  • EPA and CARB certified packages available to meet environmental regulations
  • Available in closed or open power units
  • Available with the MVP control panel
  • Lots of governing options available—from running a pump to a generator, KEM Equipment has you covered
  • 9.1L and 10.3L utilize KEM Equipment's dual fuel mixer system for power and control
  • Oil coolers provide long engine oil life and constant performance
  • Available water jacketed manifold for temperature-sensitive environments
  • Electronic throttle provides precise RPM/load control
  • Smart start protects starter from damage

Engine Features

  • Hydraulic roller valve lifters for reduced friction and improved performance
  • Engines are balanced for minimal vibration and a smoother running engine
  • Piston oilers for cooler piston crown temperatures and increased wristpin lubrication
  • Large capacity oil pan features port and starboard drain plugs for easier maintenance
  • Stellite-faced exhaust valves; stainless steel intake valves ensure performance in extreme duty applications
  • Hardened valve guides for longer life
  • Cylinder heads feature hardened exhaust and intake seats for outstanding durability
  • Hydraulic roller lifter camshaft, optimized for industrial applications
  • Coil-near-plug ignition includes crankshaft, camshaft, coolant, and oil pressure sensors; as well as eight ignition coils
  • Forged aluminum pistons designed specifically for extreme duty

Detailed Specs

KEM 10.3L Constant Duty Natural Gas
Power Curve

Engine Speed (RPM) Intermittent Torque (ft-lb) Continuous Torque (ft-lb) Intermittent HP (BHP) Continuous HP (BHP)
2400 395 349 181 159
2300 398 351 174 154
2200 400 353 168 148
2100 404 356 161 142
2000 406 359 155 137
1900 408 360 148 130
1800 410 362 140 124
1700 411 363 133 117
1600 412 364 126 111
1500 414 365 118 104

KEM 10.3L Constant Duty Propane
Power Curve

Engine Speed (RPM) Intermittent Torque (ft-lb) Continuous Torque (ft-lb) Intermittent HP (BHP) Continuous HP (BHP)
2400 434 383 198 175
2300 434 383 190 168
2200 434 383 182 161
2100 434 383 174 153
2000 434 383 165 146
1900 434 383 157 138
1800 434 383 149 131
1700 434 383 140 124
1600 434 383 132 117
1500 434 383 124 109

Spec Overview

10.3L Specifications

Engine Type V-8
Bore and Stroke 116.84 x 120.66
Displacement 632 cid
Compression Ratio 10.5:1
Oil Capacity 12 qts including filter
Net Weight 792 lbs (base engine)

10800 S.W. Herman Road
Tualatin, OR 97062
503-692-5012
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