| Products |  |
Juniper 2.0L & 2.4L Industrial Engines
Juniper's 2.0 and 2.4 liter engine offerings are designed and developed to deliver best-in-class performance, reliability and durability.
| download the Juniper Engine Specsheet (295 KB PDF)  |
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| Model name | Juniper 2.4L Industrial Engine | Juniper 2.0L Industrial Engine | |
| Base engine | Hyundai 2.4L Industrial Engine | Hyundai 2.0L Industrial Engine | |
| Cycle | 4-stroke | ||
| Cylinder arrangement | In-line 4 | ||
| Rotation | Counter-clockwise rotation as viewed from flywheel side | ||
| Displacement | 2.359 L | 1.975 L | |
| Dry Weight | 170 kg (375 lbs) | 152 kg (335 lbs) | |
| Dimensions | Length | 649 mm (25.6 in) | 667 mm (26.3 in) |
| Width | 603 mm (23.7 in) | 541 mm (21.3 in) | |
| Height | 696 mm (27.4 in) | 652 mm (25.7 in) | |
| Compression ratio | 10.5 | 9.4 | |
| Fuel | Liquid petroleum gas (LPG) | HD-5 recommended | |
| Natural gas (NG) | 600 – 1,500 BTU/ft3 | ||
| Performance - LPG | Rated output | 52 kW (70 hp) @ 2,700 rpm 36 kw (48 hp) @ 1,800 rpm |
45 kW (60 hp) @ 2,700 rpm 30 kW (40 hp) @ 1,800 rpm |
| Maximum torque | 190 N•m (140 lb-ft) @ 1,800 rpm | 160 N•m (118 lb-ft) @ 1,800 rpm | |
| Performance - NG | Rated output | 48 kW (64 hp) @ 2,700 rpm 33 kw (44 hp) @ 1,800 rpm |
41 kW (55 hp) @ 2,700 rpm 28 kW (38 hp) @ 1,800 rpm |
| Maximum torque | 176 N•m (130 lb-ft) @ 1,800 rpm | 147 N•m (108 lb-ft) @ 1,800 rpm | |
| Fuel system | Multipoint, sequential injection | ||
| Diagnostics | Integral fault diagnostics | ||
| Throttle Control | Electronic throttle control | ||
| ECU interface | Keyword Protocol 2000 | ||
| Emissions control | Closed-loop with O2 sensor & three-way catalyst | ||
| Emissions regulations | North America | EPA 2007 Tier II Off-road LSI Engine—CARB 2010 Off-road LSI Regulations | |
| Blow-by gas ventilation | Closed crankcase system | ||
| Other compliance | North America | UL 558 | |
| Idle speed | 800 rpm | ||
| Governor speed | max 2,800 rpm (programmable) | ||
| Starting system | 12V / 1.4 kW (12V / 1.9 hp) | 12V / 1.7 kW (12V / 2.3 hp) | |
| Cooling system | Type | Water cooled—2.2L capacity | Water cooled—3.0L capacity |
| Thermostat type | Wax type (open 82–95 °C) | ||
| Lubrication system | Type | Oil pan—5.2L | Oil pan—3.9L |
| Maximum running temperature | 135 °C | ||
| Alternator voltage output | 13.5V / 70A | 13.5V / 90A | |
| Allowable operation ambient temperature | -20 °C to 50 °C | ||
| Allowable operation altitude | Unlimited, with performance derate | ||
| Durability | Base engine | 20,000 hours | |
| Maintenance | Oil & oil filter change interval | 400 hours (with OEM oil pan) | |
| Timing belt/chain | 20,000 hours (chain) | 4,000 hours (belt) | |
| Warranty | Base engine | 2 years | |
| Emissions critical parts | 2,500 & 3,500 hours | ||
| Cylinder block | Aluminum | Cast iron | |
| Valve lash adjustment | Mechanical | Hydraulic | |
| Options | Speed limiter, CAN communication diagnostic interface | ||