Specifications
| F35IV Parameter Name | Unit | Imperial unit parameters | Unit | Metric units parameters |
| Chain Pitch | inch | 0.404 | inch | 0.404 |
| Rollers Quantity | pcs | 2 | pcs | 2 |
| Rollers Diameter | ft'in" | 1'2.6" | mm | 371 |
| Max. Opening of Rollers | ft'in" | 1'3.7" | mm | 400 |
| Max. Feed Force | lbf | 3596.9 | kN | 16 |
| Max. Feed Speed | ft/s | 0-13.5 | m/s | 0-4.1 |
| Max. Delimbing Diameter | ft'in" | 0'9.8" | mm | 250 |
| Optimal Tree Diameter Less Than | ft'in" | ≤0'9.8" | mm | ≤250 |
| Knives Quantity | - | 2+1 | - | 2+1 |
| Diameter Tip to Tip | ft'in" | 1'1.0" | mm | 330 |
| Front Knives Max. Opening | ft'in" | 1'6.9" | mm | 480 |
| Rear Knives Max. Opening | ft'in" | N/A | mm | N/A |
| Operating Hydraulic Pressure | psi | 3625.9 | MPa | 25 |
| Required Hydraulic Flow | gpm | 39.6-47.6 | L/min | 150-180 |
| Required Power | hp | 53.6~80.5 | KW | 40~60 |
| Operating Voltage | V | 24 | V | 24 |
| Suitable Excavator Tonnage | short ton | 8.8-16.5 | Ton | 8-15 |
| Width (Head Closed / Head Open) | ft'in" | 2'10.3" / 3'9.3" | mm | 870/1150 |
| Overall Length | ft'in" | 3'8.9" | mm | 1140 |
| Overall Height | ft'in" | 3'7.3" | mm | 1100 |
| Equipment Weight | lb | 1322.8 | kg | 600 |