You can find a detailed comparison of the Kubota KX121-3 and the Cat 304E CR below. You can also click on the model names in the first row to view more specifications for each model.
Horsepower
Kubota KX121-342 HP
Cat 304E CR40 HP
Weight
Kubota KX121-39063 lbs
Cat 304E CR8838 lbs
| Specification | ![]() | ![]() |
|---|---|---|
| Weight | 9063 lbs | 8838 lbs |
| Horsepower | 42 HP | 40 HP |
| Digging Depth | 138 in. | 136 in. |
| Max Digging Depth | 138 in. | 136 in. |
| Max Loading Height | 153,6 in. | — |
| Max Reach Along Ground | 216,0 in. | 219,6 in. |
| Max Vertical Wall Digging Depth | 98,4 in. | — |
| Overall Length | 200,4 in. | — |
| Overall Width | 67,2 in. | 76,8 in. |
| Hydraulic Pump Flow Capacity | 25 GPM | — |
| Hydraulic System Capacity | 17,7 gal | — |
| Max Travel Speed | 3.1 mph | 2.8 mph |
| Ground Pressure | 4,5 psi | — |
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You can also use our full comparison tool to compare more machines side by side.





