You can find a detailed comparison of the Cat 312C and the Cat 312B below. You can also click on the model names in the first row to view more specifications for each model.
Horsepower
Cat 312C90 HP
Cat 312B84 HP
Weight
Cat 312C27410 lbs
Cat 312B27410 lbs
| Specification | ![]() | ![]() |
|---|---|---|
| Weight | 27410 lbs | 27410 lbs |
| Horsepower | 90 HP | 84 HP |
| Digging Depth | 220 in. | 203 in. |
| Max Digging Depth | 220 in. | 203 in. |
| Max Loading Height | 240,0 in. | 231,6 in. |
| Max Reach Along Ground | 322,8 in. | 307,2 in. |
| Max Digging Reach | 228,0 in. | — |
| Max Vertical Wall Digging Depth | 196,8 in. | 175,2 in. |
| Overall Length | 298,8 in. | 300,0 in. |
| Track Length | 1320,0 in. | 1320,0 in. |
| Max Bucket Capacity | 1,0 cu yds | 1,1 cu yds |
| Min Bucket Capacity | 0,4 cu yds | 0,5 cu yds |
| Tail Swing Radius | 84,0 in. | 84,0 in. |
| Overall Width | 102,0 in. | 98,4 in. |
| Hydraulic Pump Flow Capacity | 33.5 GPM | 63.5 GPM |
| Hydraulic System Capacity | 42,8 gal | 42,8 gal |
| Relief Valve Pressure | 4980 psi | 4980 psi |
| Max Travel Speed | 3.5 mph | 3.5 mph |
| Ground Pressure | 4,8 psi | 5,7 psi |
Need a broader comparison?
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You can also use our full comparison tool to compare more machines side by side.





