4 x 4 Crawler (9398-1) is a Technic LEGO set released in 2012 with 1,327 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Technic sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 158 unique part types.
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Building instructions
3 official booklets — read on BrickID
Book 1 of 3 Book 2 of 3 Book 3 of 3
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Parts in this set
158 parts · page 1 of 4 · updating…
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![Battery Box, Power Functions 4 x 11 x 7 with Orange Switch and Dark Bluish Gray Covers [Complete Assembly]](https://cdn.rebrickable.com/media/parts/elements/4506078.jpg)
Battery Box, Power Functions 4 x 11 x 7 with Orange Switch and Dark Bluish Gray Covers [Complete Assembly]58119 · ×1 · Light Bluish Gray -
Control Unit, IR, Power Functions, with Dark Bluish Gray Bottom58122 · ×1 · Light Bluish Gray -
Motor, Large, Power Functions with Dark Bluish Gray Bottom99499 · ×2 · Light Bluish Gray -
Motor, Servo, Power Functions with Dark Bluish Gray Bottom99498 · ×1 · Light Bluish Gray -
Plate Round 1 x 1 with Solid Stud6141 · ×2 · Trans-Orange -
Plate Round 1 x 1 with Solid Stud6141 · ×2 · Trans-Red -
Plate Round 1 x 1 with Solid Stud6141 · ×4 · Trans-Clear -
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)4032a · ×2 · Black -
![Plate Round 2 x 2 with Rounded Bottom [Boat Stud]](https://cdn.rebrickable.com/media/parts/elements/4278412.jpg)
Plate Round 2 x 2 with Rounded Bottom [Boat Stud]2654 · ×2 · Trans-Clear -
Receiver Unit, IR, Power Functions, with V2 Print58123b · ×1 · Light Bluish Gray -
Sticker Sheet for Set 9398-110772 · ×1 · [No Color/Any Color] -
Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle)6553 · ×2 · Light Bluish Gray -
Technic Axle 103737 · ×2 · Black -
Technic Axle 2 Notched32062 · ×57 · Red -
Technic Axle 34519 · ×46 · Light Bluish Gray -
Technic Axle 3 with Stud6587 · ×1 · Dark Tan -
Technic Axle 43705 · ×10 · Black -
Technic Axle 4 with Centre Stop99008 · ×8 · Tan -
Technic Axle 4 with Stop87083 · ×6 · Dark Bluish Gray -
Technic Axle 532073 · ×17 · Light Bluish Gray -
![Technic Axle 5.5 with Stop [Rounded Short End]](https://cdn.rebrickable.com/media/parts/elements/4508553.jpg)
Technic Axle 5.5 with Stop [Rounded Short End]59426 · ×2 · Dark Bluish Gray -
Technic Axle 63706 · ×4 · Black -
Technic Axle 744294 · ×8 · Light Bluish Gray -
Technic Axle 8 with Stop55013 · ×4 · Dark Bluish Gray -
Technic Axle 960485 · ×9 · Light Bluish Gray -
Technic Axle and Pin Connector Angled #132013 · ×4 · White -
Technic Axle and Pin Connector Angled #132013 · ×2 · Light Bluish Gray -
Technic Axle and Pin Connector Angled #132013 · ×10 · Black -
Technic Axle and Pin Connector Angled #2 - 180°32034 · ×8 · Light Bluish Gray -
Technic Axle and Pin Connector Angled #2 - 180°32034 · ×5 · Black -
Technic Axle and Pin Connector Angled #3 - 157.5°32016 · ×4 · Orange -
Technic Axle and Pin Connector Angled #3 - 157.5°32016 · ×8 · Light Bluish Gray -
Technic Axle and Pin Connector Angled #3 - 157.5°32016 · ×4 · Black -
Technic Axle and Pin Connector Angled #5 - 112.5°32015 · ×4 · Light Bluish Gray -
Technic Axle and Pin Connector Angled #6 - 90°32014 · ×2 · Light Bluish Gray -
Technic Axle and Pin Connector Perpendicular6536 · ×28 · Light Bluish Gray -
Technic Axle and Pin Connector Perpendicular6536 · ×6 · Black -
Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes42003 · ×19 · Light Bluish Gray -
Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes42003 · ×8 · Dark Bluish Gray -
Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole32184 · ×3 · Black -
Technic Axle and Pin Connector Perpendicular Double32291 · ×2 · Black -
Technic Axle and Pin Connector Perpendicular Double 4L98989 · ×4 · Light Bluish Gray -
Technic Axle and Pin Connector Perpendicular Double Split41678 · ×8 · Dark Bluish Gray -
Technic Axle and Pin Connector Perpendicular Double Split41678 · ×4 · Red -
Technic Axle and Pin Connector Perpendicular Split92907 · ×12 · Black -
Technic Axle and Pin Connector Perpendicular Triple63869 · ×3 · Light Bluish Gray -
Technic Axle and Pin Connector Toggle Joint Smooth32126 · ×4 · Black -
![Technic Axle Connector Smooth [with x Hole + Orientation]](https://cdn.rebrickable.com/media/parts/elements/4513174.jpg)
Technic Axle Connector Smooth [with x Hole + Orientation]59443 · ×16 · Red