You can find a detailed comparison of the Komatsu WA320-3 Special and the Case 621EXT below. You can also click on the model names in the first row to view more specifications for each model.
Horsepower
Komatsu WA320-3 Special152.9 hp
Case 621EXT146 hp
Weight
Komatsu WA320-3 Special29430 lbs
Case 621EXT28710 lbs
| Specification | ![]() | ![]() |
|---|---|---|
| Type | Wheel Loader | Wheel Loader |
| Horsepower | 152.9 hp | 146 hp |
| Weight | 29430 lbs | 28710 lbs |
| Tipping Capacity | — | 23380 lbs |
| Bucket Capacity (Heaped) | 3.5 cu yds | 3 cu yds |
| Bucket Width | 108 in | 108 in |
| Breakout Force | — | 24300 lbs |
| Reach At Max Lift And Dump | 36 in | 48 in |
| Dump Clearance At Max Raise | 108 in | 108 in |
| Max Speed | 21.2 mph | 24 mph |
| Bucket Capacity (Struck) | 3 cu yds | 2.6 cu yds |
| Cab Height | 132 in | 132 in |
| Overall Length | 288 in | 300 in |
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You can also use our full comparison tool to compare more machines side by side.





