Wacker Neuson ST31

74Hp Vertical Lift Tracked Loader

Wacker Neuson ST31 - 74Hp Vertical Lift Tracked Loader:

The Wacker Neuson ST31 offers unrivalled traction, power and torque, capable of tackling any worksite.  Class leading track on ground length decreases ground pressure and increases traction/digging force.  Wide door with low entrance and a very spacious cab keeps operator comfort and safety front of mind.  Additionally all Wacker Neuson new series skid steer loaders have been designed with serviceability and maintenance as a key priority, the cab can be tilted with both the arm in raised and lowered position.  Backed with a 5 Year / 5000 hour warranty.


Key Features:


1. Safety
  • Rotating beacons, reverse beepers and warning horns as standard, ensures machine is inline with latest safety standards.
  • All machines sold by ACES have an OHS Risk assessment prior to delivery.
  • Dual work lights for optimal visibility at night.
  • Low entry door for decreased tripping hazards.
  • Joysticks mounted to suspension seat for decreased risk of unwanted movement in rough conditions.
2. Vision
  • Cabin designed with perfect visibility.
  • Narrow ROPS pillars and wide entrance for superior visibility over competitor machines.
  • Cabin roof is fitted with window, allowing bucket visibility at all times.
  • Removable side protection screens for easy cleaning and clear vision.
  • High mounted rear cross bracing for unobtrusive rear vision.
3. Auxiliary Hydraulics
  • Two way auxiliary piping with case drain.
  • Auxiliaries fitted with pressure reducing flat-faced couplings for easy connection.
  • 76L/min standard flow, 113L/min high flow.
4. Hitches
  • SAE standard universal skid steer pickup.
  • Hydraulic quick attach standard.
5. Attachments
  • SAE standard hitch for full range of attachments.
  • High capacity hydraulics capable of running a full range of attachments.
  • High flow hydraulics available for running demanding attachments such as forestry mulchers.
  • Full range of attachments available including buckets, grapples, flail mowers, forks, mixers, augers, hammers and much more.
6. Traction
  • Class leading 1,453mm track on ground length.
  • Low ground pressure.
  • 2 track width options, 320mm and 400mm.
7. Comfort
  • Sealed heated / air-conditioned cabin.
  • Operators station ergonomically designed for continuous operation without fatigue.
  • Controls ensure comfort and feature large handles.
  • Adjustable arm rests fitted as standard.
  • All levers and switches positioned within easy and comfortable reach.
  • Seat features adjustable suspension for operators of different sizes.
  • Controls and Arm rests move in unions with suspension seats.
  • Inbuilt cupholders.
  • No lap bar fitted, suitable for operators of all body types.
8. Versatility
  • Superior Wacker Neuson rigid vertical lift system.
  • Vertical lift is perfect for loading trucks and drilling.
  • Electronic hand controls, selectable between ISO and H pattern.
  • 2 speed travel available as option for optimal traction force and travel speed.
9. Power
  • High breakout forces 23.6kN at the bucket and 22.2kN at the arm.
  • Powered by Kohler KDI 2504 TCR high-efficiency Turbo Diesel engine (55kW / 74 Hp).
  • Smooth and reliable power with electronic fuel injection.
  • Electronically controlled hydrostatic transmission.
  • 380 bar transmission pressure.
  • 241 bar work hydraulics.
10. Efficiency
  • Electro over hydraulic controls with highly efficient power curves.
  • Class leading hydraulic HP for efficient use of attachments.
  • No DPF regeneration, no unnecessary burn cycles = 100% uptime.
  • Electronic fuel injection for optimal fuel efficiency.
  • Efficiency hose routing in the transmission circuit for minimal pressure / heat losses.
11. Cooling
  • A high efficiency radiator and cooling system keeps the ST31 cool in high ambient temperatures. 
  • Hydraulically driven, variable speed cooling fan for optimal temperature control.
  • Easily cleanable top mounted radiator and cooler.



Operating Weight 3,617 kg


Manufacturer Kohler
Model KDI 2504 TCR
Construction Water cooled 4-cylinder turbo diesel engine
Displacement 2,482 cm³
Engine Output according to ISO 55 kW (74 HP)


Auxiliary Hydraulics - Standard 76 L/min
Auxiliary Hydraulics - High Flow 113.6 L/min
Operating Pressure for working hydraulics 241 bar
Operating Pressure for drive hydraulics 380 bar
Max. breakout force - bucket 23.6 kN
Max. breakout force - boom 22.2 kN


Track width - standard 320 mm
Track width - optional 400 mm
Number of track rollers 4
Roller system Single, Double and Tripple combination
Ground clearance 231 mm
Drive speed 11.3 km/h / 16.1 km/h (option)

Operating Data:

Rated Capacity 50% 1,406 kg
Rated Capacity 35% 984 kg


Hydraulic tank 11 L
Fuel tank 113.6 L

Working Dimensions:

A Overall length with bucket 3,469 mm
B Overall length without bucket 2,708 mm
D Overall width without bucket (standard tracks) 1,705 mm
  Overall width without bucket (wide tracks) 1,785 mm
E Overall height 2,108 mm
G Track length 1,452 mm
H Hinige pin height 3,038 mm
I Dump height max. 2,319 mm
J Dump angle 42º
K Bucket rollback at max. stroke height 30º
L Dump reach 745 mm
M Bucket rollback at ground level 30º
N Ground clearance 230 mm
O Angle of departure 30.7º

Specifications subject to change without notice due to continual product development.


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