A two-shelf black polypropylene heavy-duty rolling utility cart featuring a workstation handle with integrated storage compartments and cup holders, supported by four large rubber caster wheels.
Product dimension graphic of the MODbox Utility Cart showing an overall height of 39 inches, a length of 44.6 inches, and a width of 25.5 inches, with interior shelf measurements of 35.6 inches by 23.75 inches.
Close-up view of a durable 6-inch rubber caster wheel attached to the rugged black frame of the MODbox utility cart.
Close-up of the cart's lower section showing the locking metal foot brakes on the swivel caster wheels and the high-impact material of the base.
Comparison infographic showing the Klein Tools utility cart standing at 39 inches tall next to a standard 33-inch utility cart, highlighting the ergonomic height advantage.
Detailed view of the integrated side rail system on the top shelf, shown holding various MODbox tool pouches and a portable LED work light above stored spools of wire.
Size comparison graphic illustrating that the 6-inch wheels on the MODbox Utility Cart are larger than the standard 3-inch, 4-inch, and 5-inch wheels found on other carts.
Action shot of the utility cart fully loaded on a jobsite with cardboard boxes, spools of wire on a conduit axle, tool pouches attached to the rails, and an insulated tumbler in the cup holder.
A worker in safety gear stands at the MODbox Utility Cart, using the top shelf as a workstation to organize materials on a jobsite.
Close-up action shot of a worker using the integrated notches on the top shelf of the cart to steady a 2x4 wooden board while marking it with a pencil.
A close-up action shot shows a worker using a portable band saw to cut a piece of metal conduit that is being steadied by the integrated notches on the top shelf of the MODbox Utility Cart.
A close-up view of the utility cart's leg, highlighting the specialized holes that accommodate 1/2-inch conduit used as an axle to hold and dispense spools of wire.
A top-down view of the MODbox Utility Cart handle, showcasing the integrated workstation features including two cup holders, one containing a large tumbler, and multiple compartments filled with small hardware, tape, and a can of lubricant.
MODbox™ Utility Cart, 54831MB how to and promotional video
A two-shelf black polypropylene heavy-duty rolling utility cart featuring a workstation handle with integrated storage compartments and cup holders, supported by four large rubber caster wheels.
Product dimension graphic of the MODbox Utility Cart showing an overall height of 39 inches, a length of 44.6 inches, and a width of 25.5 inches, with interior shelf measurements of 35.6 inches by 23.75 inches.
Close-up view of a durable 6-inch rubber caster wheel attached to the rugged black frame of the MODbox utility cart.
Close-up of the cart's lower section showing the locking metal foot brakes on the swivel caster wheels and the high-impact material of the base.
Comparison infographic showing the Klein Tools utility cart standing at 39 inches tall next to a standard 33-inch utility cart, highlighting the ergonomic height advantage.
Detailed view of the integrated side rail system on the top shelf, shown holding various MODbox tool pouches and a portable LED work light above stored spools of wire.
Size comparison graphic illustrating that the 6-inch wheels on the MODbox Utility Cart are larger than the standard 3-inch, 4-inch, and 5-inch wheels found on other carts.
Action shot of the utility cart fully loaded on a jobsite with cardboard boxes, spools of wire on a conduit axle, tool pouches attached to the rails, and an insulated tumbler in the cup holder.
A worker in safety gear stands at the MODbox Utility Cart, using the top shelf as a workstation to organize materials on a jobsite.
Close-up action shot of a worker using the integrated notches on the top shelf of the cart to steady a 2x4 wooden board while marking it with a pencil.
A close-up action shot shows a worker using a portable band saw to cut a piece of metal conduit that is being steadied by the integrated notches on the top shelf of the MODbox Utility Cart.
A close-up view of the utility cart's leg, highlighting the specialized holes that accommodate 1/2-inch conduit used as an axle to hold and dispense spools of wire.
A top-down view of the MODbox Utility Cart handle, showcasing the integrated workstation features including two cup holders, one containing a large tumbler, and multiple compartments filled with small hardware, tape, and a can of lubricant.
MODbox™ Utility Cart, 54831MB how to and promotional video
KLEIN TOOLS

Klein Tools MODbox Utility Cart 54831MB 500 lb Capacity Rolling Tool Workstation (6 Inch Rubber Casters Handle Storage Conduit Notches Material Moving)

In stock
SKU: 54831MB
$249.99 USD

Description

Klein promotional logo logout

Commercial-Grade 500-Pound Rolling Tool Platform with Integrated Wire Spool Leg Apertures and Lumber Stability Notches

The Klein Tools 54831MB MODbox™ Utility Cart delivers professional-grade transport volume when hauling heavy jobsite materials, equipment containers, and component parts across rough construction terrain. Engineered with an absolute 500-pound load capacity, this trade-focused rolling tool workstation features an ergonomic 39-inch height that reduces user back strain during manual layouts by acting as a stable standing work table. The high-impact body incorporates unique structural V-grooves for stabilizing structural lumber and metal conduit profiles, solving on-site measuring and cutting layout alignment problems. Supported by four 6-inch rubber casters and equipped with side attachment rails that integrate seamlessly with modular storage pouches, this robust cart incorporates hollow leg guides to handle 0.5-inch metal pipes for fast electrical wire spool pulls.

Best Used For:

  • Electrical Wire Pulling Infrastructure: Running branch circuit conductors efficiently by loading multiple spools onto a 0.5-inch metal conduit rod threaded through the pre-drilled cart frame legs.
  • On-Site Component Modifications: Securing structural 2x4 framing studs or rigid aluminum conduits inside the integrated top-shelf notches for precise field cuts and hand measurements.
  • High-Capacity Material Transport: Transporting heavy tool bags, fasteners, diagnostic gear, and machinery components safely across commercial building levels and warehouse concrete bays.

Key Performance & Safety Features

  • MODbox Structural Attachment System: Engineered perimeter side rails facilitate direct latching of specialized component pouches and utility accessories.
  • 6-Inch All-Terrain Rubber Casters: Dynamic heavy-duty casters glide smoothly over rough site debris, stone dust, and uneven thresholds.
  • Multi-Compartment Storage Handle: Deep integrated pockets secure small parts, utility knives, personal phones, and contain two built-in drink wells.
  • V-Notch Board Channels: Built-in structural guide slots keep round pipe or rectangular dimensional lumber flat to prevent twisting during saw cuts.
  • High-Impact Polypropylene Shelves: Chemically resilient composite trays defy structural cracking and deep dents from accidental hammer or metal drops.

What's Included

  • (1) 54831MB MODbox™ Utility Cart Base Unit
  • (4) 6-Inch Rubber All-Terrain Caster Wheels
  • (1) Small Parts Organizer Handle Base

Technical Specifications

Specification Value
Brand Klein Tools
Model Number 54831MB
Load Capacity Rating 500 lbs.
Overall Height 39.0 in
Overall Length 44.63 in
Overall Width 25.5 in
Interior Shelf Dimensions 35.63 x 23.8 in
Caster Wheel Size 6.0 in
Number of Wheels 4 Heavy Rubber Casters
Primary Construction Material High-Impact Polypropylene
Tool Component System MODbox™ Pouches and Accessories
Net Platform Weight 52.0 lbs.

Pro-Tip: When rolling structural payloads over loose gravel or site ramps, apply lock tabs to the rear pivoting casters to secure directional linear tracking. Ensure weight layout stays distributed evenly between the high and lower trays to preserve absolute wheel bearing balance under maximum heavy-duty loads.