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Products > Jobsite-Storage-Equipment > Jobsite Storage > Cabinet > Model 139 JOBMASTER® Cabinet, 59.4 cu ft

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Model 139 JOBMASTER® Cabinet, 59.4 cu ft


The Model 139 JOBMASTER® Cabinet measures 60 in long, 30 in wide and has a capacity of 59.4 cu ft. This upright cabinet features full-width shelves and offers at-a-glance easy access for tools, equipment and supplies.


  • WATCHMAN® IV Lock System with recessed lock housing for protection against theft
  • Includes 3 full-length shelves to organize longer items; adjustable bottom shelf
  • Power Pass® Electrical Pass-Thru grommet provides easy, weatherproof power cord access
  • Heavy-duty 16-gauge steel construction with fully arc-welded seams
  • Four-way skids allow access from any side, making it easier and faster to transport
  • JOBMASTER® Cabinets are incredibly secure and configurable for any need
  • The only jobsite storage cabinet offering the strongest deadbolt style locking mechanism for ultimate security
  • Powder-coat finish for superior durability and corrosion resistance
  • Recessed handles
  • Convenient foot latch - One push with your foot and the doors will pop open
  • Top shelf 14 in; Second shelf 10 in; Bottom shelf adjustable


FeatureSize / Details
Height60 in
Width30 in
Length60 in
Approx. Cu. Ft. Per Unit59.4
Closed Height60 in
Lock SystemWATCHMAN® IV Lock System
Powder Coat FinishYes

Package Contents

Part NumberQtyDescription



Additional Cabinet Models

Model No.HeightWidthLengthApprox. Cu. Ft. Per UnitClosed HeightBrand Buy Online
10065 in30 in60 in60.965 inSTORAGEMASTER®
100-MT65 in30 in60 in60.965 inSTORAGEMASTER®
102054-1/2 in30 in66 in5254-1/2 inMONSTER BOX®
10960 in24 in60 in47.560 inSTORAGEMASTER®
11160 in24 in60 in47.560 inSTORAGEMASTER®
11260 in30 in60 in54.960 inJOBMASTER®
12951 in24 in72 in4851 inJOBMASTER®
129-MT51 in24 in72 in4851 inJOBMASTER®
13960 in30 in60 in59.460 inJOBMASTER®
139-MT60 in30 in60 in59.460 inJOBMASTER®
9960 in30 in60 in59.460 inJOBMASTER®

I have the 139 Jobmaster. Can I get a drawer kit for it like the 112?

Asked by: Anonymous
The drawers from the 112 Cabinet will not work with our model 139.
Answered by: Werner Customer Care
Date published: 2016-06-23

Can this cabinet be ordered WITHOUT shelves?

Asked by: Anonymous
Please contact our Customer Care Department when convenient at 888-523-3370 Monday through Friday 8 AM till 5 PM EST for further details on your issue and/or question.
Answered by: Werner Customer Care
Date published: 2015-07-07

Where do I get the Springs for this Lock box for door system?

The two springs that push the latch up to open it or latch it shut when closed.
Asked by: Anonymous
Please contact our customer care department at 888-523-3370 Monday through Friday 8 AM till 5 PM EST to inquire about the replacement part/assistance you are seeking.
Answered by: Werner Customer Care
Date published: 2016-11-16

What is the load rating of the box and each shelf

storage box 139
Asked by: Anonymous
We have no published weight capacity for the Knaack boxes. We do, however, have a published weight capacity for the caster sets that are often used on the Knaack boxes. When casters are mounted to a Knaack box, the weight capacity of the casters is used as the limiting factor and therefore the weight capacity of the combination tool box and casters. Refer to the catalog for a listing of the weight capacities for the caster sets. When casters are not used on the boxes, "reasonable" care must be taken not to overload the product. The load capacity of the shelving is 200lbs per shelf.
Answered by: Werner Customer Care
Date published: 2015-04-13

What is the interior dimension's of this Model?

Asked by: Anonymous
Front View Outside of center post to body 23 15/16" for each side Side View - Top of Shelf to Bottom of Channel 13 27/32", then 11" and top of shelf to inside of box is 14 1/8"
Answered by: Werner Customer Care
Date published: 2017-03-30

How wide are the doors...the depth is 30".....how deep is this model from the back to the end of the door when it is opened at a 90 degree angle?

Asked by: Anonymous
The door is 24 1/4". The total dimension that you are looking for would be about 54 1/2".
Answered by: Werner Customer Care
Date published: 2014-12-23

Is there any option for use of a combination lock?

Trying to find an equivalent sized combination lock that will work (equivalent to Master Lock No. 1, Master Lock No. 5 or American Lock No. 50 as noted on the install instructions)
Asked by: Anonymous
We do not have a recommended combination lock for this unit.
Answered by: Werner Customer Care
Date published: 2016-11-28

what caster do I use on a 139 Box

Asked by: Anonymous
The model of casters that will fit your 139 box would be the 695, 516, or 600.
Answered by: Werner Customer Care
Date published: 2015-07-08

How to lock box

Asked by: Anonymous
Please follow the link below to see our instructions for correct pad lock sizes, as well as installation. https://s3.amazonaws.com/wernerco.content/WEB_PDF/Knaack/Boxes/14-0008_RevF.pdf
Answered by: Werner Customer Care
Date published: 2016-11-08

How weather resistant is this?

Trying to find out how tolerant this is to weather if it needed be kept outside (Boston areas). Spare electronic components might be stored inside, so it would need to keep out all the elements.
Asked by: Anonymous
This box is resistant to most conditions, however we do not manufacture a box that is 100% weather proof.
Answered by: Werner Customer Care
Date published: 2017-03-08
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