Specifications

Belts

Quantity All GM40: One
Type GM40: B-section Aramid
Adjustment All GM40: Spring-loaded w/ bearing pivot
GM4060: Spring-loaded w/ bearing pivot
GM4072: Spring-loaded w/ bearing pivot

Blade

Spindles Quantity
All GM40E: Three
Composition
GM40: Ductile iron
GM4060: Ductile iron
GM4072: Ductile iron
Bearing
All GM40: Triple ball bearings
GM40: Three
Tip speed, average fpm GM40: 5,486.4 m/min
18,000 fpm
GM4060: 5,486.4 m/min
18,100 fpm
GM4072: 5,516 m/min
Quantity GM40: Three

Caster wheels

Solid Size
All GM40: 10.1 x 25.4 cm
4.0 x 10.0 in.
All GM40: Yes
Quantity All GM40: Four

Deck

Discharge All GM40E: Rear
Thickness GM40: 7 gauge

Dimensions

Overall machine width GM40: 155.2 cm
61 in.
GM4060: 185.7 cm
73 in.
GM4072: 216 cm
85 in.
Cutting height GM40: 3.8-12.7 cm
1.5-5.0 in.
Cutting width GM40: 152.4 cm
60 in.
GM4060: 182.9 cm
72 in.
GM4072: 213.3 cm
84 in.

Gearbox

Recommended Maximum Tractor PTO power GM40: 37.3 kW
50 hp

Hitch

Category All GM40: Category 1 and limited category 1
GM4060: Category 1
GM4072: Category 1

Key Specs

Cutting width GM40: 152.4 cm
60 in.
GM4060: 182.9 cm
72 in.
GM4072: 213.3 cm
84 in.
Cutting height GM40: 3.8-12.7 cm
1.5-5.0 in.
PTO rpm GM40: 540 rpm
Overall machine width GM40: 155.2 cm
61 in.
GM4060: 185.7 cm
73 in.
GM4072: 216 cm
85 in.
Hitch - Category GM40: Category 1 and limited category 1
GM4060: Category 1
GM4072: Category 1
PTO horsepower GM40: 11.2-37.2 kW
15-50 hp
GM4060: 14.9-37.2 kW
20-50 hp
GM4072: 18.6-37.2 kW
25-50 hp

Set-up time

Labor hours All GM40E: 0.5

Tractor requirements

PTO horsepower GM40: 11.2-37.2 kW
15-50 hp
GM4060: 14.9-37.2 kW
20-50 hp
GM4072: 18.6-37.2 kW
25-50 hp
PTO rpm GM40: 540 rpm

Warranty

Gearbox All GM40: 6 year
Machine All GM40E: 1 year
Spindle All GM40: 3 year

Weight

Operational GM40: 280 kg
617 lb
GM4060: 311 kg
686 lb
GM4072: 358 kg
790 lb
Shipping GM40: 322 kg
710 lb
GM4060: 353 kg
779 lb
GM4072: 407 kg
898 lb