About ws4150 SUPERAXE

The WS4150 is fast, powerful & highly productive, making it the ideal solution for splitting large volumes of firewood. 

The WS4150 is the most powerful machine in the range with extra features built in to ensure large volumes of firewood can be split with ease. Standard features include a 18hp engine, 200kg capacity hydraulic block lifter, larger bench area, offset splitting head, longer blade, more rollers for easy block manoeuvring and the innovative double handed control system for safe and easy machine operation. A 360mm straight blade is fitted as standard, with optional Tee or Cross shaped blade for three or four way splitting. See specs for details. Couple with optional infeed hoppers and/or outfeed elevators for even greater output.

Please note ** In early 2018, this machine was rebranded as Superaxe from the older name ‘Aussie Chopper’. The model and specs are the same, just the name has changed**

Common Features

The Superaxe range of log splitters are available in 4 different models – the WS100, WS150, WS3150 and the WS4150. All models feature the following:

  • PROUDLY MADE IN AUSTRALIA: Designed and built in our Victorian workshop with quality components
  • SLIDING BLADE: Patented vertical action sliding blade with innovative wedge design easily splits the toughest Australian hardwood. Handles different lengths of wood up to 450mm.
  • INNOVATIVE DESIGN: Block lifter, large bench area, compact, portable & towable.
  • BUILT TO LAST: Rugged heavy-duty construction with minimal maintenance required.
  • ERGONOMIC: Back saving log lifter and ideal bench height for advanced ergonomic comfort
  • EASY & SAFE TO USE: Single handed (WS100) or double handed (all other models) control system enhances safety by keeping hands away from moving blade. These systems are completely Workcover compliant.
  • LONG WARRANTY: Two-year warranty on all parts and construction


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  • ESTIMATED OUTPUT: Up to 5 cubic meters per hour output (guide only)
  • SPLITTING FORCE: 26 tons splitting force
  • CYCLE TIME: 6 seconds
  • ENGINE: 18hp V-Twin Vanguard with electric start. Features include pressure lubrication, replaceable oil filter, large fuel tank & high fuel efficiency.
  • ENGINE WARRANTY: All engines backed by comprehensive manufacturers warranty
  • PUMPS: Proven American & Italian 2 stage hydraulic pumps with auxiliary pump for block lifter and optional elevator.
  • RAM: High quality Australian made 4 ½ inch ram with 3 inch rod for quick blade return. Develops genuine 26 tons of splitting force.
  • HYDRAULIC HOSES: All double wire rated ¾ inch hydraulic hoses.
  • OIL RESEVOIR: 60 litre oil reservoir
  • OIL COOLER: Fitted standard.
  • BUILT TO LAST: Rugged heavy duty construction with minimal maintenance required, for a lifetime of trouble free use
  • BENCH: 1500mm wide x 700mm deep & three in-bench rollers ensure easy block manoeuvring. Grip bars in bench (under blade) grip blocks for secure splitting
  • WARRANTY: Two year warranty on the frame
  • COUPLING: Approved 50mm, 2000kg rated cast iron coupling. Safety chain fitted
  • WHEELS AND HUBS: 185 x 14 Sunraysia wheels and high speed hubs. Handles all towing requirements
  • JOCKEY WHEEL: High quality 8 inch heavy duty swing up jockey wheel
  • DIMENSIONS: Weight 650kg / Height 1700mm / Width 1500mm / Length 2400mm
  • BLOCK LIFTER: Hydraulic block lifter will lift blocks weighing up to 200kg up to bench height
  • TOWING: Block lifter is easily folded and secured for traveling.
  • ROLLERS: Extra rollers within the block lifter & bench assist in easy block movement
  • STANDARD BLADE: Vertical sliding blade design gives superior splitting performance and long life with minimal maintenance. 360mm cutting edge.
  • BLADE OPTIONS: Cross or Tee blade for three or four way splitting.
  • BLADE CONSTRUCTION: Blade and slide surfaces made from high tensile Hardox 450 high.
  • OFFSET SPLITTING HEAD: Reduced distance between splitting head and edge of the machine to maximise efficient disposal of split firewood.
  • ERGONOMIC DESIGN: Ideal bench height & block lifter ensures the operator can work with a straight back with minimal bending or straining.
  • CONTROLS: The innovative double handed control system (with auto-return) ensures ease of use, quick cycle times & unmatched safety
  • EASE OF USE: Easy splitting with in-table rollers & ample room to move blocks.
  • SAFETY COMMUNICATION: Weatherproof canister on every machine contains an operator instruction & safety training sheet for quick reference. All machines also come with a detailed operator manual which includes operator training, maintenance recommendations & risk assessment.
  • ELEVATORS: 3.6m folding elevator can be fitted to this machine. Free standing elevators are also available.
  • BLADE OPTIONS: Cross or Tee blade for three or four way splitting.
  • HIRE & RENTAL / REGISTRATION KIT: Includes HD mudguards, LED lights, VIN plate for registration compliance. Fleet colours available.
  • THREE PHASE: Units available
  • PERMANENT BASE: Units available
  • OTHER OPTIONAL EXTRAS: Engine cover & hour meter.
  • READY TO ORDER? Please contact us to order a machine. Your machine will be built to order.
  • PICK UP: All machines are built in our workshop in North East Victoria. Once order is completed the machine can be collected from us directly during business hours. It can be towed if registration has been completed, or loaded into a truck, tandem trailer or flat tray ute.
  • FREIGHT: Through a network of freight depots Whitlands Engineering can organise economical freight to most places (pickup from your local depot may be required). We will advise & quote to your requirements when the order is confirmed. For freighting, all machines are partially dismantled & packed securely on a pallet so they can be handled with a forklift. Reassembly of machine requires some lifting equipment and basic tools. We can advise on this in detail at the time of order.
  • TRADING TERMS: A deposit is required to confirm your order. We require payment in full before the machine is collected or freighted.
  • FINANCE: If you need finance please contact us, we can make a recommendation based on your requirements.

Compare the Options

REX 600 & 600 X         
REX 900