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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 Force25 kN
Gross Feed Force5620.2 lb-ft
Maximum Feed Speed5 m/s
Maximum Feed Speed16.4 fps
Maximum Roller Opening550 mm
Maximum Roller Opening22 in.

Delimbing

Delimbing Knives4 moving, 1 fixed knife and 2 fixed debarking tool
Delimbing Diameter, Tip To Tip340 mm
Delimbing Diameter, Tip To Tip13 in.
Maximum Opening Upper Knives580 mm
Maximum Opening Upper Knives23 in.
Maximum Opening Lower Knives610 mm
Maximum Opening Lower Knives24 in.

Hydraulic System

Maximum Operating Pressure28 MPa
Maximum Operating Pressure4061.1 psi
Recommended Pump Capacity260-340 L/min
Recommended Pump Capacity68.7-89.8 gpm

Felling/Cutting

SuperCut 100S Saw Unit, Automatic Chain TensioningStandard
Maximum Cut Diameter550 mm
Maximum Cut Diameter21.65 in.
Length Of Saw Bar670 mm
Length Of Saw Bar26.4 in.
Chain Type0.404
Chain Speed40 m/s
Chain Speed131 fpm

Dimensions

Width, Head Open1650 mm
Width, Head Open65 in.
Width, Head Closed1200 mm
Width, Head Closed47.25 in.
Height Without Rotator and Link1900 mm
Height Without Rotator and Link74.8 in.
Weight Without Rotator and Link1690 kg
Weight Without Rotator and Link66.5 lb.

Optional Equipment

Stump TreatmentNo
Multi-Tree-Handling (MTH)No
Mense Feed RollersNo
Steel Thumbnail Feed RollersNo
Steel Ribbed Feed RollersNo
Chain And Saw Bar KitsYes
Hydraulic Hose KitNo
Top SawNo

Tank Capacities

Color MarkingNo
Chain Oil10 L
Chain Oil2.6 gal.