Quick Links
Contact Info

28 Vereker St, Humpty Doo




08 8988 9411

Jacobsen-GP400 Petrol

The new GP400 retains many of the features of its celebrated predecessor (G-Plex III) including a swing-out center unit for easy maintenance and adjustment, the legendary cutting units with a choice of 7, 9, 11 or 15 blade reels and a Briggs & Stratton Vanguard V-Twin Engine.

•Ergonomically re-styled dash panel incorporating joystick controls
•New ISO 21299 approved ROPS frame
•Refined hydraulic system with fewer components
•Re-styled fuel tank incorporating a storage area and large easy fill cap


 Briggs & Stratton Vanguard V-twin
Horsepower: 17.7hp @ 3400 rpm
Displacement 35 cu. in. or  574cc
Air Cleaner System: Dual Element
Cooling System: Air Cooled
Fuel Capacity 55 L

Speed (Maximum)
Mowing 6 km/h
Transport 12.1 km/h
Reverse 3.1 km/h

Traction and Drive
Traction Drive:
Hydraulic motor on each drive wheel
Reel Drive Gear: type hydraulic motor; backlap control standard
Reel Lift Hydraulic: double action cylinders; parallel link head leveling system
Hydraulic System: 40 L capacity; 10 micron, full flow filtration; biodegradable fluid; oil cooler standard

Tyres, Brakes, and Steering
20 x 10-10, 2-ply pneumatic, tubeless
Parking Brake: 6 in. caliper disc, hand operated
Ground Pressure: 14 psi or .98 kg/cm²
Steering Power: Power

Reels and Blades
Number and Size: 
Three 22 in. reels; 5 in. diameter
Number of Blades: 7, 9, 11, 15 with TRUESET
Blade Material: Hardened, high-carbon steel
Cutting Frequency:  .789 mm/kph with 11-blade reels
Overall Cutting Width: 62 in. or 1.6 m
Height-of-Cut Range:  (Depending on turf condition, reel wear and bedknife installed) 1.6 - 11.1 mm

Weight and Dimensions
Ready-to-Cut Weight:
664 kg
Length: (less catchers) 2.19 m
Overall Height including ROPS: 1.97 m
2WD: 1.33 m
3WD: 1.26 m
Width: 1.88 m