UNIMOG "ROCK CRAWLER"
 Universal Motor Gerät - Mercedes Benz Unimog 406 U900

Documenting the setup, upgrade and test of my Tamiya 1/10 Unimog model.
Model construction, finishing, paint, videos and photos by P. Mateus

DSC_4307.JPG (355127 bytes)1/10 Scale R/C Tamiya Model ref. 5814

Tamiya official site
>> http://www.tamiya.com/english/products/58414unimog/index.htm
Local (PDF) mirror
>> C-Mercedes-Benz-UNIMOG 406-Series-U900.pdf

 

 

 

 

DSC_0768-T.jpg (232540 bytes)Manuf. specification highlights


 ●Length: 435mm　●Width: 265mm　●Height: 280mm　●Weight: 2325g　●Wheelbase: 288mm　
●Tread: (Front/Rear) 208mm　●Tire Width/Diameter: (Front/Rear) 57/125mm　
●Chassis: Ladder frame with aluminum side channels and resin cross members　
 ●Drivetrain: Shaft-driven 4WD　●Diff Gear: 3-bevel diff (standard: locked setting)　
●Planetary Gearbox　●Suspension: Front/Rear 4-link rigid　●Front/Rear CVA oil dampers　
●Gear Ratio: 1：40.5　●Electronic Speed Controller (separately required)　●RS540 Type Motor

 

 

Initial setup 23rd-24th August 2009
Finished in custom semi gloss white


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Extra Body Shell - Green and first Field Tests,

September 5th
With 4 x "bent" arms and 2 x metal shaft hop-ups fitted

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August 29-30th 2009
Default config

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Video of some off road and rock crawling action





Video of first trial tests on a small rock formation...





Video close up on internal details: suspension, tyres, etc...





 Assembling
(finished across >40 hrs work on August 23rd 2009)

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The all set of parts.. starting by the the top frame / suspension handles...


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Diferentials and lots of assembling and testing work still ahead


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Precision tools are a handy help. Diferentials "core section" ready...


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Chassis...


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Diferentials with support beds...


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First electronics end-to-end testing...


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Suspension done... engine and gear almost ready to final fit...


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All set and first "fit on" testing of the factory default clear body case... and then trimmed


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Trimmed and drilled case... painted (semi gloss white) and finished

Hopups fitted

Full List (first to last to be fitted):

GPM Racing Products STEEL MAIN SHAFT 1PR Part # SCR037
Tamiya CR-01 Bent Lower Arm Front R/C Part # 54106
Tamiya CR-01 Bent Lower Arm Rear R/C Part # 54107
Tamiya CR-01 Alluminium Battery Holder Part # 54046
Tamiya CR-01 Barrel Spring Set Part # 54084
Jun Fac [Front] Skid Plate Kit Part # J80025
Tamiya CR-01 Aluminium Skid Plate Part # 54105
Hot Racing - HR Vision Clear Gear Box Cover Part # TCR38CC
Axial 12mm Aluminium Hub Black Part AX30429
Schumacher Racing Ltd - M4 Nyloc Wheel Nut - Black Alloy Part # U2812
Pro-Line Hammer 2.2" Rock Terrain Truck Tires G8 Part # 1145-14
Por-Line Eight Shooter 2.2" Bead-Loc Wheels for 12mm Crawler Hex Black/Black Part # 2698-05

September 30th, 2009

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Tamiya CR-01 Aluminium Skid Plate
Part # 54105


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http://www.hot-racing.com
Hot Racing - HR Vision Clear Gear Box Cover
Part # TCR38CC


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http://www.axialracing.com/
Axial 12mm Aluminium Hub Black
Part # AX30429


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http://wwww.racing-cars.com
Schumacher Racing Ltd - M4 Nyloc Wheel Nut - Black Alloy
Part # U2812


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http://www.prolineracing.com/
Pro-Line Hammer 2.2" Rock Terrain Truck Tires G8
Part # 1145-14
Por-Line Eight Shooter 2.2" Bead-Loc Wheels for 12mm Crawler Hex Black/Black
Part # 2698-05


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Axial 12mm Aluminium Hub Black Part AX30429


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Schumacher Racing Ltd
M4 Nyloc Wheel Nut
Black Alloy Part # U2812




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Tamiya CR-01 Aluminium Skid Plate Part # 54105


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Hot Racing - HR Vision Clear Gear Box Cover Part # TCR38CC


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Pro-Line Hammer 2.2" Rock Terrain Truck Tires G8 Part # 1145-14
Por-Line Eight Shooter 2.2" Bead-Loc Wheels for 12mm Crawler Hex Black/Black Part # 2698-05

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September 18th, 2009

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 Photos (c)  Jun Fac

http://www.junfac.com/
Made in China/HK, 3rd party
Jun Fac [Front] Skid Plate Kit Part J80025



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Photos (c) Tamiya Japan

http://www.tamiya.com/
Made in Japan, Tamiya official hopup
Tamiya CR-01 Alluminium Battery Holder Part 54046
Tamiya CR-01 Barrel Spring Set Part 54084



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Jun Fac front skid metal plate fitted
- and keeping the original top servo protection bar


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Detail on the bottom right and left fixing


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Barrel Springs fiited (blue code at front; yellow coded at rear)


September 5th, 2009

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Photo (c) GPM

http://www.gpmracing-parts.com
Made in China/HK, 3rd party
GPM Racing Products STEEL MAIN SHAFT 1PR SCR037


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Photos (c) Tamiya Japan

http://www.tamiya.com/
Made in Japan, Tamiya official hopups
Tamiya CR-01 Bent Lower Arm Front R/C Part 54106 (left)
Tamiya CR-01 Bent Lower Arm Rear R/C Part 54107 (right)

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Metal drive shaft and bent arms

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Bent arms (increased vertical clearance)


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Metal drive shaft and bent arms

 
(c) P. Mateus, pedro.mateus@gmail.com , 2009. All rights reserved.
Please ask for permission before reproduction of content. Thank you.