25 Ton Firewood Processor (Towable & Self-Powered) Wallenstein



These processors folds tight for easy transport, and allows you to process 1–2 cords per hour.

Pull this towable, 25 ton, firewood processor with your UTV, tractor, or truck right to where you need it. Self-contained with its own 14 hp engine, use the included winch to pull your logs onto the loader chute, connect your chainsaw, set your split length, and start splitting right into your bed or trailer.


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25-Ton Towable Firewood Processor

Equipped with an electric-start, 14 hp, Vanguard engine, haul 22″ diameter logs with the 1550 lb winch and 50 synthetic rope onto the foldable loader chute. The floating stabilizer grabs the log and prevents it from backsliding. Using the universal chainsaw adaptor, mount your chainsaw with 22-30″ bar onto the processor, set your split length up to 24″ on the WP845 and 36″ on the WP875 model, cut your log, and run the splitter through the standard 4-Way Wedge.

Your firewood runs up the conveyor which you can position over a truck bed or stack on the ground, processing 1–2 cords an hour with either the WP845 or WP875 Processor.

For transport, unfold the swing tongue and connect to a 2″ ball receiver. You can safely transport this processor on the highway with its Torflex Suspension Axle.

There is no shortage of well thought-out features on this stand-alone firewood processor from Wallenstein.

Processor Features

Four-Way Box Wedge

Easily adjust the wedge height to accommodate different sized logs.

Auto Cycle, Hands Free

A single action automatically advances and returns the splitter back home, allowing you to begin cutting the next block.

Auto Cycle Splitter Valve

Hands free splitting, simply push both levers down into the detent position which will engage the auto cycle valve to operate in both directions. Auto Cycle does the work for you, increasing productivity.

Compact Standalone Design

This compact processor is designed to be self sufficient from your tow vehicle, without limiting productivity or performance.

Floating Stabilizer

Prevents log from twisting when cutting to length, no activation required.

Highway Towable

Transport your unit with hitch, safety chains, highway tires, and full trailer lighting.

Torflex Suspension Axle

Axles are designed to absorb road impact, providing a smoother towing experience.

Hydraulic Winch

A 1550 lb hydraulic winch makes it very easy to winch in your heavy logs.

Length Indicator

Set the indicator for consistant firewood length. Up to 24″ on the WP845 and 36″ on the WP875.

Pivoting Chainsaw Holder

Easily mounts to most chainsaws. Securely holds your chainsaw in place while cutting logs. Saw can easily be detached without the use of tools. Will work with up to a maximum 30″ chain bar length. *Reduces maximum cut length by 1″ (2.5 cm)

Sweep Tongue

Move the tongue out of your woodpile to allow easy hookup to towing vehicle.

Built in Toolbox

Keep your small tools and replacement parts handy. Comes with magnetic flap door.

Adjustable Offload Chute

Offloads firewood up to 54” high which is ideal for trailers, wagons or bins.

6-Way Wedge (Optional)

Split logs into six pieces with a single stroke.

60″ Winching Strap (Optional)

High strength nylon strap for winching logs onto the processor.


Model WP525 WP845 WP875
Split Force: 20 Ton 25 Ton 25 Ton
Engine: Vanguard® 6.5 hp (203 cc) Vanguard® 14 hp (408 cc) Vanguard® 14 hp (408 cc)
Discharge Chute Height: 76″ (193 cm) 54″ (137 cm) 54″ (137 cm)
Split Opening: 23″ (58 cm) 24″ (61 cm) 36″ (91 cm)
Full Stroke Splitting Cycle Time: 13.2 seconds 8.3 Seconds 12.1 Seconds
Cylinder Diameter: 4″ (10 cm) 4.5″ (11 cm) 4.5″ (11 cm)
Maximum Log Diameter: 16″ (41 cm) 22″ (56 cm) 22″ (56 cm)
Throughput: Up to 1 Cord Per Hour Up to 2 Cords Per Hour 1 – 2 Cord Per Hour
Winch Pulling Capacity: 1200 lb (544kg) 1550 lb (703 kg) 1550 lb (703 kg)
Winch Rope Length: 50′ (15 m) 50′ (15 m) 50′ (15 m)
Winch Rope Diameter: 1/4″ (6 mm) 1/4″ (6 mm) 1/4″ (6 mm)
Tires: 5.30 x 12.00 5.30 x 12.00 5.30 x 12.00
Hitch: 2″ Ball 2″ Ball 2″ Ball
Tongue Weight: 240 lb (109 kg) 160 lb (73 kg) 285 lb (129 kg)
Total Weight: 1525 lb (692kg) 2050 lb (930 kg) 2275 lb (1031 kg)
Dimensions Open (LxWxH): 175″ x 54″ x 85″ (445 cm x 137 cm x 208 cm) 220″ x 69″ x 66″ (559 cm x 175 cm x 168 cm) 246″ x 69″ x 66″ (625 cm x 175 cm x 168 cm)
Dimensions Folded (LxWxH): 122″ x 54″ x 83″ (310 cm x 137 cm x 211 cm) 98″ x 73″ x 79″ (249 cm x 185 cm x 201 cm) 125″ x 73″ x 79″ (318 cm x 185 cm x 201 cm)
Hydraulic Capacity: 8 US gal (30l) 10.6 US gal (40l) 10.6 US gal (40 L)
Recommended Saw Bar Length : 22” (55.9cm) – 30” (76.2cm) 22” (55.9cm) – 30” (76.2cm) 30”
Splitter Valve Operation: Auto Return Auto Cycle Auto Cycle
Trailer Light Kit: Optional Standard Standard

Additional information


WP845, WP875


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