Spearhead Trident
4000/5000/6000
10
Introduction
The Trident is a very robust high capacity flail mower that is easy to operate and
maintain, to ensure trouble-free operation this manual should be carefully studied.
Safety First
Do not start the machine until you fully understand the operation and safety
precaution requirements. Always ensure the operators are proficient with the
operation of this type of machine.
Tractor Requirements
Spearhead recommended 70
– 90HP tractor for the Trident 4000
80
– 110HP tractor for the Trident 5000
110
– 150HP tractor for the Trident 6000
Fixed clevis drawbar minimum height (17”) 430mm, at maximum extension
(14”) 355mm.
Minimum tractor weight 3000kg including ballast.
PTO must be independent live drive to enable continuous PTO drive even
when tractor clutch is pressed down.
External oil supply (min. pressure 140 bar) and free flow returns.
CAT 2 front or rear linkage.
Attaching to the Tractor – Trailed Machine
It is advisable to remove the tractor rear link arms. However, if this is not convenient,
at least check the link arms do not contact the PTO shaft when turning.
Before coupling to the tractor, it is important to check that the tractor draw bar is out
at its longest setting, which will give the tightest turning circle without risk of
bottoming the PTO shaft.
When fitting the pin through the drawbar clevis,
insert the plastic washer between the tractor and
machine drawbar as shown. This washer is a
replaceable wearing part.
Do not attach the machine to the
pick-up hook as this will result in
serious damage to the PTO
