Overview#
The MTU 3R0096 DS30 is a 30 kW EPA Tier 3 certified diesel standby generator set built on the John Deere 3029TFG89 — a 2.9-liter, 3-cylinder, naturally aspirated diesel producing up to 35 kWm gross. At 62 inches long, it is among the more compact commercial standby units in the MTU Onsite Energy catalog, making it well suited to tight equipment rooms and rooftop installations where footprint is constrained.
Standard equipment includes a unit-mounted radiator rated for 50°C (122°F) ambient, 12V electric start, mechanical droop governor (±1% speed regulation), and the MTU digital control panel with LCD display, NFPA 110 compatibility, and IP 54 front panel rating. The generator end is a brushless, 4-pole rotating-field design with 130°C standby temperature rise and ±1% voltage regulation no-load to full load.
The 3R0096 DS30 accepts full rated load in a single step per NFPA 110 and is eligible for optional UL 2200 listing and IBC seismic certification. It carries a 2-year standard factory warranty and is backed by MTU Onsite Energy's (a Rolls-Royce Power Systems brand) global distributor network.
Technical Specifications#
Power Ratings (60 Hz, 1800 rpm)
| Rating | kW | kVA |
|---|---|---|
| Standby (ESP) | 30 | 37 |
| Prime (PRP) | 27 | — |
Engine — John Deere 3029TFG89
| Parameter | Value |
|---|---|
| Displacement | 2.9 L (177 in³) |
| Configuration | 3-cylinder inline |
| Aspiration | Naturally aspirated |
| Rated speed | 1800 rpm |
| Governor | Mechanical droop, ±1% |
| Max gross power | 35 kWm (47 bhp) |
| Emissions | EPA Tier 3 |
| Starting | 12V electric, 925 CCA |
Fuel Consumption (60 Hz standby)
| Load | Consumption |
|---|---|
| 100% load | 2.6 gph (9.9 L/hr) |
| 75% load | 2.0 gph (7.5 L/hr) |
| 50% load | 1.4 gph (5.2 L/hr) |
Physical (Open Power Unit)
| Dimension | Value |
|---|---|
| Length | 1,581 mm (62.25 in) |
| Width | 749 mm (29.5 in) |
| Height | 1,226 mm (48.25 in) |
| Dry weight | 736–995 kg (1,623–2,194 lb) |
Cooling System
| Parameter | Value |
|---|---|
| Radiator ambient rating | 50°C (122°F) |
| Water pump capacity | 110 L/min (29 gpm) |
| Heat rejection to coolant | 20.1 kW |
Our Service Experience#
The 3R0096 DS30 is a straightforward unit to maintain — the John Deere 3029 is a well-documented, widely distributed engine with broad parts availability. The mechanical droop governor simplifies troubleshooting compared to electronic isochronous units, but it also means frequency will vary slightly with load changes. For installations with variable-frequency drives or other sensitive equipment, verify that ±1% frequency regulation meets tolerance requirements before specifying this unit.
The compact form factor is an advantage in tight spaces but can complicate service access when the unit is installed in an enclosed equipment room. Ensure adequate clearance on the service side for oil filter and fuel filter changes. Battery condition is the most common cause of start failures on small standby diesels — we recommend load-testing batteries annually and replacing at the first sign of reduced cranking amps.
Frequently Asked Questions#
What engine powers the MTU 3R0096 DS30? The 3R0096 DS30 uses the John Deere 3029TFG89, a 2.9-liter, 3-cylinder naturally aspirated diesel. John Deere industrial engines have extensive parts distribution through both MTU Onsite Energy distributors and independent John Deere dealers, which supports long-term parts availability.
Is the 3R0096 DS30 EPA Tier 3 certified? Yes. The 3R0096 DS30 carries EPA Tier 3 certification for stationary emergency standby applications per 40 CFR Part 89. This is appropriate for commercial standby use throughout North America.
What voltages are available on the 3R0096 DS30? The unit is available in 120/240V single-phase, and three-phase configurations including 120/208V, 120/240V, 277/480V, and 347/600V. Confirm voltage configuration when ordering as it affects generator model selection.
Does the 3R0096 DS30 accept full load in one step? Yes. The MTU 3R0096 DS30 is rated to accept 100% of rated load in a single step per NFPA 110 requirements for Level 1 systems.
