MechMaxx B150 6-Inch Drum Wood Chipper - 15HP Electric Start ZONSEN Engine – 4 Wheel Towable (110803)

Heavy-Duty 6-Inch Wood Chipper with 15HP ZONSEN Engine, Electric Start & 4-Wheel Design – Available in Red or Yellow

Take on demanding tree cleanup, land clearing, and wood chipping projects with the MechMaxx B150 6-Inch Gas Powered Drum Wood Chipper. Powered by a robust 15 HP, 420cc ZONSEN GB420 gasoline engine, this heavy-duty wood chipper is designed to process branches and woody material up to 6 inches in diameter.

Built for professional landscapers, tree care specialists, property owners, and equipment rental businesses, the B150 combines powerful drum-style cutting performance with the convenience of electric starting and a versatile four-wheel chassis.

Its large 13.8-inch cutting drum, two reversible steel blades, and heavy-duty belt drive work together to provide efficient wood chipping performance. The 360-degree rotating discharge chute allows operators to direct processed wood chips where needed, while integrated emergency stop controls and safety interlocks provide additional operator protection.

For convenient transportation, the B150 features two large rear tires, foldable front support wheels, integrated taillights, a 7-pin trailer connector, and a 2-inch tow coupler.

Available in two colors:

• Red – SKU 110803

• Yellow – SKU 110803Y

Both versions feature the same 15 HP ZONSEN engine, cutting system, performance specifications, and construction.

Whether you're maintaining wooded acreage, clearing storm debris, or processing branches from landscaping projects, the MechMaxx B150 ZONSEN Wood Chipper delivers an excellent combination of power, durability, and worksite versatility.

Key Features & Benefits

• Powerful 15 HP ZONSEN GB420 Engine: Powered by a 420cc, single-cylinder, four-stroke OHV gasoline engine designed to provide dependable performance for demanding wood chipping applications.

• Up to 6-Inch Chipping Capacity: Designed to process branches and woody material up to 6 inches in diameter, making it ideal for tree trimming, storm cleanup, and property maintenance.

• Convenient Electric Start: Equipped with an electric starting system and a 12V, 20Ah lead-acid battery for easier engine startup.

• Heavy-Duty Drum Cutting System: Features a large 13.8-inch cutting drum that generates rotating momentum to help process substantial branches and woody debris.

• Two Reversible Double-Edged Blades: Durable A8 steel cutting blades feature two usable cutting edges to help extend blade service life.

• 360-Degree Rotating Discharge Chute: Direct wood chips toward a collection area, trailer, or mulch pile without constantly repositioning the chipper.

• Available in Red or Yellow: Choose between two attractive color options with identical engine and performance specifications.

• Versatile Four-Wheel Design: Features two large rear tires and two foldable front support wheels for improved mobility and convenient worksite positioning.

• Foldable & Lockable Front Wheels: Front support wheels can be lowered for positioning the machine and folded upward during towing.

• Integrated Taillights & 7-Pin Trailer Connector: Connects to a compatible towing vehicle's electrical system for synchronized brake light and turn signal operation.

• 2-Inch Tow Coupler: Provides a convenient connection point for compatible towing equipment.

• 48-Inch Wheelbase: Wide wheel spacing helps support stability during transportation and positioning.

• Dual Emergency Stop Controls: Includes an emergency stop button and press bar near the feeding chute for quick access during an emergency.

• Automatic Safety Interlocks: Designed to shut down the engine when either the feeding or discharge chute is opened.

• Easy Maintenance Access: Hinged feeding and discharge chutes feature convenient latches for cleaning, blade inspection, and routine maintenance.

• Heavy-Duty Kevlar Belt Drive: Equipped with two Kevlar V-belts and a centrifugal clutch to transfer engine power to the cutting drum.

• Durable Steel Construction: Heavy-duty chassis and cutting components are designed to withstand demanding outdoor operating conditions.

• 2-Year Manufacturer's Warranty: Backed by a two-year limited warranty on both the machine and ZONSEN engine, subject to the manufacturer's terms.

Powerful 15 HP ZONSEN GB420 Engine with Electric Start

At the heart of the MechMaxx B150 is the ZONSEN GB420 gasoline engine, delivering a published 15 HP rating from its 420cc displacement.

The single-cylinder, four-stroke OHV engine features air-cooled construction and is designed to provide the power needed for demanding outdoor equipment applications.

The convenient electric starting system allows operators to start the machine without relying on manual pull-starting, while the 12V, 20Ah lead-acid battery supports dependable starting performance.

ZONSEN Engine Highlights:

• ZONSEN GB420 gasoline engine

• 15 HP published engine rating

• 420cc engine displacement

• Single-cylinder, four-stroke OHV design

• Air-cooled engine

• Electric starting system

• 12V, 20Ah lead-acid battery

• Clean, fresh unleaded gasoline

• Recommended 10W-30 engine oil

• Two-year limited engine warranty

For property owners and professionals who need substantial wood chipping capacity, the B150 offers a powerful gas engine combined with an efficient drum cutting system.

Heavy-Duty 6-Inch Drum Cutting System

The MechMaxx B150 features a robust drum-style cutting system designed to process branches and woody material up to 6 inches in diameter.

The cutting drum measures approximately 13.8 inches in diameter and 12 inches in length. Its rotating mass helps provide the momentum needed to process larger branches and woody debris.

Two reversible, double-edged steel cutting blades work with a fixed anvil to chip incoming material into manageable wood chips.

Manufactured from durable A8 (5Cr8MoVSi) steel, the blades can be reversed when one cutting edge becomes worn, helping extend their usable service life before replacement is required.

Cutting System Highlights:

• Maximum rated chipping diameter: 6 inches

• Heavy-duty drum cutting system

• 13.8-inch cutting drum diameter

• Approximately 12-inch drum length

• Two reversible double-edged steel blades

• One fixed anvil

• A8 (5Cr8MoVSi) blade steel

• Published 20:1 reduction ratio

• Two Kevlar V-belts

• Centrifugal clutch drive

The drum cutting system makes the B150 well suited for processing tree limbs, branches, and woody debris generated during landscaping, property maintenance, and land clearing.

Four-Wheel Design for Convenient Transport & Worksite Positioning

The MechMaxx B150 features a versatile four-wheel chassis designed to simplify transporting and positioning the machine around a worksite.

Two large rear tubeless tires provide support during towing, while the smaller front support wheels make positioning the chipper easier when disconnected from a towing vehicle.

The front wheels feature a foldable and lockable design. During towing, the front wheels fold upward. At the worksite, they can be lowered and locked to assist with positioning.

Transportation Features:

• 2-inch trailer tow coupler

• Two 19 x 7.00-8 rear tubeless tires

• Two 13 x 5.00-6 front support tires

• DOT-approved rear tires

• 48-inch wheelbase

• Foldable and lockable front wheels

• Integrated trailer taillights

• American-style 7-pin trailer electrical connector

• Heavy-duty steel chassis

The integrated lighting system can be connected to a compatible towing vehicle to support synchronized brake light and turn signal operation.

360-Degree Rotating Discharge Chute

The B150 features a fully rotating upper discharge chute that allows operators to direct processed wood chips toward a desired collection area.

Whether you're creating a mulch pile, filling a suitable collection trailer, or directing chips away from the work area, the adjustable discharge chute offers flexibility without constantly repositioning the entire machine.

The chute features formed and welded construction and can be opened for convenient access to the cutting chamber during cleaning and maintenance.

Discharge Chute Benefits:

• Full 360-degree rotation

• Adjustable wood chip discharge direction

• Convenient collection-area positioning

• Hinged opening for maintenance access

• Heavy-duty construction

• Easier cleaning and blade inspection

Operator Safety & Convenient Maintenance

The MechMaxx B150 incorporates several safety and maintenance features designed to provide convenient access and additional operator protection.

Emergency Stop Button: Located above the feeding chute for quick access during operation.

Emergency Stop Press Bar: Positioned near the lower portion of the feeding chute to provide an additional emergency shutdown control.

Feed Chute Safety Interlock: Designed to shut down the gasoline engine when the feeding chute is opened.

Discharge Chute Safety Interlock: Designed to shut down the engine when the discharge chute is opened.

Quick-Access Maintenance Openings: The feeding and discharge chutes feature hinged openings and convenient latches that simplify access for cleaning, blade inspection, and routine servicing.

Product Specifications

Ideal Applications

The MechMaxx B150 ZONSEN 6-Inch Wood Chipper is designed for a variety of demanding outdoor applications, including:

• Professional tree trimming and branch disposal

• Residential and commercial property maintenance

• Landscaping and tree care businesses

• Storm debris and fallen limb cleanup

• Woodland and acreage management

• Land clearing and vegetation cleanup

• Producing wood chips for landscaping and mulch

• Farm, ranch, and large-property maintenance

• Municipal grounds maintenance

• Equipment rental businesses

Frequently Asked Questions

What is the maximum branch diameter the MechMaxx B150 can handle?

The MechMaxx B150 is rated to chip branches and woody material up to 6 inches in diameter. Actual chipping performance depends on wood species, moisture content, hardness, branch shape, and overall material condition.

What engine powers the MechMaxx B150 ZONSEN?

Both color versions are powered by the ZONSEN GB420 gasoline engine, featuring 420cc displacement and a published 15 HP rating.

The engine uses a single-cylinder, four-stroke OHV design with air-cooled operation.

Does the MechMaxx B150 have electric start?

Yes. Both the red and yellow B150 models feature electric starting and a 12V, 20Ah lead-acid battery.

What is the difference between SKU 110803 and 110803Y?

The difference is the color of the wood chipper.

• SKU 110803: Red

• SKU 110803Y: Yellow

Both models share the same ZONSEN GB420 engine, cutting capacity, drum cutting system, and performance specifications.

What type of cutting system does the B150 use?

The B150 features a heavy-duty drum cutting system with a 13.8-inch cutting drum, two reversible steel blades, and one fixed anvil.  A centrifugal clutch and two Kevlar V-belts transfer engine power to the cutting system.

Can the MechMaxx B150 be towed?

The B150 is equipped with a 2-inch tow coupler, rear tubeless tires, integrated taillights, and a 7-pin trailer electrical connector.  The front support wheels fold upward for towing. Always follow the manufacturer's towing instructions and verify applicable road-use requirements before transporting the machine on public roads.

Does the B150 have a rotating discharge chute?

Yes. The B150 features a 360-degree rotating discharge chute, allowing operators to direct wood chips toward a designated collection area without repositioning the entire machine.

Are the cutting blades reversible and replaceable?

Yes. The B150 uses two reversible, double-edged cutting blades manufactured from A8 steel. The blades can be serviced or replaced when necessary.  The reversible design helps extend blade service life by providing a second usable cutting edge.

What safety features are included?

The B150 features an emergency stop button, emergency stop press bar, and safety interlocks designed to shut down the engine when the feeding or discharge chute is opened.

What type of gasoline and engine oil does the B150 use?

The manufacturer specifies clean, fresh unleaded gasoline and recommends 10W-30 engine oil.

Refer to the ZONSEN GB420 owner's manual for complete engine maintenance, lubrication, and fuel recommendations.

How much does the MechMaxx B150 weigh?

Both the red and yellow B150 models have a published net weight of approximately 573 pounds and a gross shipping weight of approximately 639 pounds.

Does the MechMaxx B150 require assembly?

The B150 ships in a protective plywood shipping case with manufacturer assembly instructions. Some assembly and pre-operation preparation are required before initial use.

What warranty comes with the MechMaxx B150 ZONSEN?

Both the red and yellow B150 models include a two-year limited manufacturer's machine warranty and a two-year limited ZONSEN engine warranty.

Warranty coverage is subject to the manufacturer's applicable terms, conditions, and exclusions.

Why Choose the MechMaxx B150 ZONSEN 6-Inch Wood Chipper?

The MechMaxx B150 6-Inch Drum Wood Chipper is an excellent choice for property owners and professionals looking for substantial chipping capacity, dependable engine power, and convenient transportation features.

Powered by the 15 HP ZONSEN GB420 gasoline engine, the B150 combines a heavy-duty cutting drum, reversible steel blades, and electric starting to help make demanding wood chipping projects more manageable.

Its four-wheel chassis, 360-degree rotating discharge chute, and integrated safety controls add convenience for landscaping, forestry, and property maintenance applications.

With a choice of red or yellow, customers can select their preferred finish without sacrificing engine power or cutting performance.

Whether you're clearing fallen branches, processing tree debris, or maintaining a large property, the MechMaxx B150 ZONSEN Wood Chipper provides the power, mobility, and versatility needed to get the job done.

Manuals & Documentation 

B150 Product Manual

ZONSEN GB460B(E) Manual

B150 Assembly Guide

MechMaxx 6-Inch Wood Chipper Comparison