| Engine Model | D1503-M-E4-BG |
| Emission Regulation | EPA/CARB Tier 4 (NRTC/NTE test mode) |
| Type | Vertical, water cooled 4-cycle diesel engine |
| Cylinders | 3 |
| Bore and Stroke mm (in) | 83.0 x 92.4 (3.27 x 3.64) |
| Displacement L (cu.in.) | 1.499 (91.47) |
| Aspiration | Naturally aspirated |
| Aftertreatment | - |
| Stand-by output / speed*1
kW (HP) / rpm | 16.2 (21.7) / 1800 |
| Continuous output / speed*2
kW (HP) / rpm | 15.1 (20.2) / 1800 |
| Combustion System | Indirect injection |
| Fuel System | In-line pump |
| Length x Width x Height*3
(Without Aftertreatment Unit) mm (in) | 574 x 481 x 643 (22.6 x 18.9 x 25.3) |
| Length x Width x Height*4
(With Aftertreatment Unit) mm (in) | - |
| Dry Weight kg (lb) | 170 (374) |
Specifications are subject to change without notice.
Dimensions and dry weight are according to Kubota's standard specification.
Dimensions and weight depend on completed specifications.
*1: SAE J1349 net stand-by
*2: SAE J1349 net continuous
*3: Exclude cooling fan and exclude aftertreatment unit
*4: Exclude cooling fan and include aftertreatment unit on engine
























































































































































































































