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Features

Delimbing Quality

H424 Harvester Head delimbing a tree in the forest

The ideal geometry of the harvester heads, along with advanced feeding, stem holding, hydraulics, mechanics and automation, ensure high delimbing quality.

Measuring Accuracy

Front view of H423 Harvester Head in the field

John Deere harvester heads provide the best measuring accuracy in the market. This is a result of seamless co-functioning of the technology of the harvesters and harvester heads – something that is characteristic of John Deere.

High Saw Performance

H425 Harvester Head grips a log in the forest

The John Deere-specific saw unit offers high cutting performance, thanks to the excellent automation, mechanics and hydraulics of John Deere. It also features easy saw chain change, reliable saw chain tensioner, and a wide range of saw bars and lubrication systems.

Specifications

Feed System, Two-Wheel-Drive

Gross Feed Force944 / 1295-cc motors: 28.1 / 37.7 kN 1050 / 1404-cc motors: 31.2 / 41.6 kN
Gross Feed Force944 / 1295-cc motors: 6317.1 / 8475.3 lb-ft 1050 / 1404-cc motors: 7014 / 9352.1 lb-ft
Maximum Feed Speed4.5-6.0 m/s
Maximum Feed Speed14.8-19.7 fps
Maximum Roller Opening760 mm
Maximum Roller Opening30 in.

Delimbing

Delimbing Knives4 moving, 1 fixed
Delimbing Diameter, Tip To Tip510 mm
Delimbing Diameter, Tip To Tip20 in.
Maximum Opening Upper Knives800 mm
Maximum Opening Upper Knives32 in.
Maximum Opening Lower Knives870 mm
Maximum Opening Lower Knives34 in.

Hydraulic System

Maximum Operating Pressure28 MPa
Maximum Operating Pressure4061.1 psi
Recommended Pump Capacity320-380 L/min
Recommended Pump Capacity84.5-100.4 gpm

Felling/Cutting

SuperCut 100S Saw Unit, Automatic Chain TensioningStandard
Maximum Cut Diameter750 mm
Maximum Cut Diameter29.5 in.
Length Of Saw Bar900 mm
Length Of Saw Bar35.4 in.
Chain Type404
Chain Speed40 m/s
Chain Speed131 fpm

Dimensions

Width, Head Open1900 mm
Width, Head Open75 in.
Width, Head Closed1190 mm
Width, Head Closed46.9 in.
Height Without Rotator and Link1970 mm
Height Without Rotator and Link77.6 in.
Weight Without Rotator and Link1930 kg
Weight Without Rotator and Link4255 lb.

Optional Equipment

Stump TreatmentYes
Multi-Tree-Handling (MTH)No
Mense Feed RollersYes
Steel Thumbnail Feed RollersYes
Steel Ribbed Feed RollersNo
Hydraulic Hose KitYes
Top SawYes

Tank Capacities

Color Marking1.9 L
Color MarkingYes
Color Marking0.5 gal.
Chain Oil8.8 L
Chain Oil2.3 gal.