Mobile 3.0L 
				(LP, gasoline, dual fuel)
			
		
			
				Mobile 4.3L 
				(LP, gasoline, dual fuel)
			
		
			Custom Mobile 
Engine Applications
			Various displacements and fuels certified or noncertified. We can help you determine and build the best engine for your application.
		
			
				Stationary 3.0L 
				Carbureted NG, LP
			
		
			
				Stationary 4.3L 
				Carbureted NG, LP
			
		
			
				Stationary 5.7L 
				Carbureted NG, LP
			
		
			
				Stationary 8.0L 
				Carbureted NG, LP
			
		
			
				Stationary 9.1L 
				Carbureted NG, LP
			
		
			
				Stationary 10.3L 
				Carbureted NG, LP
			
		
			Operations Manuals: 
			 3.0L Operations Manual
		
			Observed Power Curves 
			 3.0L LPG Power Curve | 
			 3.0L NG Power Curve
		
The 3.0L is a compact and powerful engine that has been proven capable. These engines can be outfitted to drive mobile equipment or power a stationary load.
| KEM 3.0L Constant Duty Propane  | ||||
|---|---|---|---|---|
| Engine Speed (RPM) | Intermittent Torque (ft-lb) | Continuous Torque (ft-lb) | Intermittent HP (BHP) | Continuous HP (BHP) | 
| 2600 | 132 | 65 | ||
| 2500 | 133 | 63 | ||
| 2400 | 134 | 117 | 61 | 53 | 
| 2300 | 133 | 116 | 58 | 51 | 
| 2200 | 133 | 116 | 56 | 49 | 
| 2100 | 132 | 116 | 53 | 46 | 
| 2000 | 133 | 116 | 51 | 44 | 
| 1900 | 133 | 117 | 48 | 42 | 
| 1800 | 113 | 116 | 46 | 40 | 
| 1700 | 133 | 116 | 43 | 38 | 
| 1600 | 133 | 116 | 40 | 35 | 
| 1500 | 132 | 116 | 38 | 33 | 
| 1400 | 133 | 116 | 35 | 31 | 
| 1300 | 129 | 113 | 32 | 28 | 
| 1200 | 126 | 110 | 29 | 25 | 
| 1100 | 124 | 109 | 26 | 23 | 
| 1000 | 123 | 108 | 23 | 21 | 
| KEM 3.0L Constant Duty Natural Gas  | |||
|---|---|---|---|
| Engine Speed (RPM) | Torque (ft-lb) | Peak Intermittent HP (BHP) | Max Continuous HP (BHP) | 
| 800 | 135 | 17 | 15 | 
| 900 | 140 | 20 | 18 | 
| 1000 | 141 | 23 | 20 | 
| 1100 | 142 | 25 | 22 | 
| 1200 | 144 | 28 | 25 | 
| 1300 | 147 | 31 | 27 | 
| 1400 | 147 | 33 | 29 | 
| 1500 | 149 | 36 | 32 | 
| 1600 | 148 | 38 | 34 | 
| 1700 | 148 | 41 | 36 | 
| 1800 | 149 | 43 | 38 | 
| 1900 | 151 | 46 | 41 | 
| 2000 | 152 | 49 | 43 | 
| 2100 | 151 | 51 | 45 | 
| 2200 | 151 | 54 | 47 | 
| 2300 | 154 | 57 | 51 | 
| 2400 | 155 | 60 | 53 | 
| 2500 | 155 | 63 | 55 | 
| 2600 | 154 | 65 | 57 | 
| 2700 | 152 | 66 | 59 | 
| 2800 | 151 | 68 | 60 | 
| Engine Type | 3.0L I-4 | 
| Bore and Stroke | 4.00 x 3.6 in (101.60 x 91.44 mm) | 
| Displacement | 181 cid (2966.59 cc) | 
| Compression Ratio | 9.2:1 | 
| Oil Capacity | 5 qts including filter | 
| Net Weight | 363 lbs (135 kg) | 
| Base Engine Dimensions | H: 24.5 in x L: 25.3 in x W: 18 in (624 mm x 644 mm x 457 mm) | 
			 
		
			10800 S.W. Herman Road
			Tualatin, OR 97062
			503-692-5012
			©
			2025 KEM Equipment, Inc.
		
			