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Products > Truck-Tool-Boxes--Equipment > Boxes > Saddle Box > Model 123-5-01 Saddle Box, Aluminum, Full Extra Deep, 15.1 cu ft

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123-5-01 123-5-01
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Model 123-5-01 Saddle Box, Aluminum, Full Extra Deep, 15.1 cu ft


Saddle Boxes are the most popular truck storage option due to ease of installation, maximum bed clearance and legendary durability. The aluminum Full-Size, extra deep Model 123-5-01 Saddle Box features a diamond plate pattern with Black ARMOR-TUF® Powder Coat finish that ensures years of dependability. It has a storage capacity of 15.1 cu ft.


  • Fits all Full-Size pickups with 8 ft beds
  • Tamper-resistant, retracting EXTREME PROTECTION® Lock helps protect against break-ins
  • 90 degree cover opening for easy access
  • Automotive-style rotary latch features smooth one-touch opening
  • Full weather seal protects against the elements
  • 12 volt access for electrical up-fits
  • Level storage area secures a 48 in level
  • Includes powder coated steel divider tray
  • Black ARMOR-TUF® Powder Coat finish ensures years of dependability
  • Limited lifetime warranty ensures unparalleled quality


FeatureSize / Details
StyleSaddle Box
Box TypeFull Extra Deep
ColorGloss Black
Height24 in
Width20-1/4 in
Length71-1/2 in
Vehicle TypeFull-size Pickup
Bed Length5-1/2 ft, 6-1/2 ft, 8 ft
Bed Style - Flare SideNo
Electrical AccessYes
Key AlikeOn Request
Reinforced Loop StrikerYes
Powder Coat FinishYes
Weather SealYes
Approx. Shipping Weight Lbs.94
Approx. Cu. Ft. Per Unit15.1

Package Contents

Part NumberQtyDescription



Additional Saddle Box Models

Model No.Box TypeColorHeightWidthLengthMaterial Buy Online
116-3-02Full Extra WideWhite18-1/2 in27-1/2 in71-1/2 inSteel
116-5-02Full Extra WideGloss Black18-1/2 in27-1/2 in71-1/2 inSteel
117-0-02Full Extra WideClear18-1/2 in27-1/2 in71-1/2 inAluminum
117-3-02Full Extra WideWhite18-1/2 in27-1/2 in71-1/2 inAluminum
117-5-02Full Extra WideGloss Black18-1/2 in27-1/2 in71-1/2 inAluminum
117-52-02Full Extra WideTextured Matte Black18-1/2 in27-1/2 in71-1/2 inAluminum
120-3-01Full Low ProfileWhite15-7/8 in20-1/4 in71-1/2 inSteel
120-5-01Full Low ProfileGloss Black15-7/8 in20-1/4 in71-1/2 inSteel
121-0-01Full Low ProfileClear15 in20-1/4 in71-1/2 inAluminum
121-5-01Full Low ProfileGloss Black15 in20-1/4 in71-1/2 inAluminum
121-52-01Full Low ProfileTextured Matte Black15 in20-1/4 in71-1/2 inAluminum
123-0-01Full Extra DeepClear24 in20-1/4 in71-1/2 inAluminum
123-5-01Full Extra DeepGloss Black24 in20-1/4 in71-1/2 inAluminum
126-3-02Full StandardWhite18-1/2 in20-1/4 in71-1/2 inSteel
126-5-02Full StandardGloss Black18-1/2 in20-1/4 in71-1/2 inSteel
127-0-02Full StandardClear18-1/2 in20-1/4 in71-1/2 inAluminum
127-3-02Full StandardWhite18-1/2 in20-1/4 in71-1/2 inAluminum
127-5-02Full StandardGloss Black18-1/2 in20-1/4 in71-1/2 inAluminum
127-52-02Full StandardTextured Matte Black18-1/2 in20-1/4 in71-1/2 inAluminum
128-3-01Full Extra DeepWhite24 in20-1/4 in71-1/2 inSteel
131-0-01Compact Low ProfileClear18-1/2 in20-1/4 in66 inAluminum
131-5-01Compact Low ProfileGloss Black18-1/2 in20-1/4 in66 inAluminum
136-3-01Compact DeepWhite18-1/2 in20-1/4 in62 inSteel
137-0-01Compact DeepClear18-1/2 in20-1/4 in62 inAluminum
137-5-01Compact DeepGloss Black18-1/2 in20-1/4 in62 inAluminum
154-0-01Compact StandardClear13-1/4 in20-1/4 in62 inAluminum
154-5-01Compact StandardGloss Black13-1/4 in20-1/4 in62 inAluminum
156-3-01Compact StandardWhite13-1/4 in20-1/4 in62 inSteel

need measurement from bed rail down to the bottom

model #123-5-01
Asked by: Anonymous
The measurement from the bed rail to the bottom of the 123-5-01 box is 17.25".
Answered by: Werner Customer Care
Date published: 2016-02-05

Will this fit a 1500 Dodge Ram Quad cab, 2017 model

Asked by: Anonymous
The 123 will only work if the bed is 8' long, regular cab.
Answered by: Werner Customer Care
Date published: 2017-01-04

Will model 123-5-01 fit 2003 Dodge Ram 1500 Quadcab with standard 6'-4"bed ?

Asked by: Anonymous
Unfortunately the 123-5-01 will not fit your model of truck.
Answered by: Werner Customer Care
Date published: 2015-05-27

Will the 123-5-01 Fit a 2010 ford f150 crew cab with 6.5ft bed ?

Asked by: Anonymous
Unfortunately no. This box will not fit your model of truck.
Answered by: Werner Customer Care
Date published: 2014-12-01

will it fit a 2010 Dodge Ram 1500 Laramie

If not, what extra deep box will?
Asked by: Anonymous
This will not fit, We do not have any full size deep boxes that will fit
Answered by: Werner Customer Care
Date published: 2017-04-03

are there attachment d-rings on extra deep box?

Are there attachment D-rings on the extra deep box? The picture does not show them but the spec sheets say all boxes have them.
Asked by: Anonymous
No the 123-5-01 does not have the attachment D-rings.
Answered by: Werner Customer Care
Date published: 2014-11-25

Will this box fit a 2000 silverado z71 short box

Asked by: Anonymous
The 123-5-01 will fit a 2000 Silverado with a 6ft and 8ft bed.
Answered by: Werner Customer Care
Date published: 2015-10-03

When will their be a matt black 123-5-01

like the matt black finish better than gloss black are their plans to produce more of the matt black tool boxes also looking for 2 low side boxes
Asked by: Anonymous
We currently only have our matte black finish available for select models of boxes. Full sized saddle boxes with this finish we would recommend the model 127-52-02. or full sized extra wide 117-52-02.
Answered by: Werner Customer Care
Date published: 2016-02-15

why are questions not being answered

Have asked 2 questions on here and have gotten no answers to them looking at spending around 2000.00 in boxes just want fit worked out prior to purchase. having side boxes that are 1/4 inch higher than crossover box is not my idea of proper fit up or quality building of boxes
Asked by: Anonymous
The dimensions on the website a very rough estimates. The boxes themselves extend about 7 1/2" tall above the side rails of the trucks when you include the mounting pads and all. The lo-side and cross/saddle boxes are designed to be the same height. These boxes will sit flush with each other. We apologize for the information loaded on the website. It will be corrected.
Answered by: Werner Customer Care
Date published: 2016-02-15

Will this box fit my 2014 Silverado crew cab?

Asked by: Anonymous
Yes the 123-5-01 will fit in your model of truck.
Answered by: Werner Customer Care
Date published: 2014-12-29
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