All aboard the 9V!
Build the classic Crocodile Locomotive

Relive the golden age of LEGO trains with this iconic 1991 set. A must-have for collectors and train enthusiasts.

🏛 9V
Set #4551

Crocodile Locomotive

Discover the Crocodile Locomotive from the 9V collection - 314 pieces of building excellence.

⏱ 2-4 hr 🧩 314 pcs
★★★★☆ 4.5 from 2 reviews
BlockTalk AI
Analyzing This Set...
BlockTalk, our AI is generating detailed insights for Crocodile Locomotive. Sections will appear as they're ready.
Our Take
Ask BlockTalk
Building Experience
Investment Potential
Similar Sets

📦 Full Parts Inventory - 75 unique parts • 310 total pieces

Sticker Sheet for Sets 4536-1, 4543-1, 4546-1, 4551-1 Sticker Sheet for...
Part #: 164585 [No Color/Any Color]
Equipment Control Panel Equipment Control...
Part #: 2342 Black
Tile Special 1 x 2 Grille with Bottom Groove Tile Special 1 x ...
Part #: 2412b Black
Plate 2 x 2 Corner Plate 2 x 2 Corner
Part #: 2420 Black
Tile 1 x 4 with Groove Tile 1 x 4 with G...
Part #: 2431 Red
Brick Special 2 x 4 x 2 with Studs on Sides Brick Special 2 x...
Part #: 2434 Black
Plate 2 x 12 Plate 2 x 12
Part #: 2445 Red
Tile Special 2 x 2 with Top Pin Tile Special 2 x ...
Part #: 2460 Black
Train Motor Decorative Side 10 x 2 x 2 with Closed Hub Points (for 9V Train Motor) Train Motor Decor...
Part #: 2871a Black
Slope 45° 2 x 6 x 2/3 Slope 45° 2 x 6 x...
Part #: 2875 Light Gray
Wedge Sloped 45° 6 x 6 Double / 33° [Train Roof End] Wedge Sloped 45° ...
Part #: 2876 Light Gray
Brick Special 1 x 2 with Grille Brick Special 1 x...
Part #: 2877 24× Red
Brick Special 1 x 2 with Grille Brick Special 1 x...
Part #: 2877 White
Brick Special 1 x 2 with Grille Brick Special 1 x...
Part #: 2877 Light Gray
Wheel Holder, Train with Wheels [Complete Assembly] Wheel Holder, Tra...
Part #: 2878c01 Black
Hinge Bar 2.5L with 2 and 3 Fingers on Ends (Pantograph Shoe Holder) Hinge Bar 2.5L wi...
Part #: 2880 Black
Train Pantograph Shoe with Hinge Train Pantograph ...
Part #: 2881 Black
Train Coupling New Train Coupling New
Part #: 2920 Black
Train Front with 1 x 4 x 3 Cutout Train Front with ...
Part #: 2924a Red
Lever Small Base with Black Lever Lever Small Base ...
Part #: 298c02 Light Gray
Brick 2 x 4 Brick 2 x 4
Part #: 3001 Red
Brick 2 x 4 Brick 2 x 4
Part #: 3001 Black
Brick 2 x 4 Brick 2 x 4
Part #: 3001 Light Gray
Brick 2 x 2 Brick 2 x 2
Part #: 3003 Black
Brick 2 x 2 Brick 2 x 2
Part #: 3003 Red
Brick 1 x 2 Brick 1 x 2
Part #: 3004 Black
Brick 1 x 2 Brick 1 x 2
Part #: 3004 12× Red
Brick 1 x 1 Brick 1 x 1
Part #: 3005 10× Red
Brick 1 x 6 Brick 1 x 6
Part #: 3009 Red
Brick 1 x 6 Brick 1 x 6
Part #: 3009 White
Brick 1 x 4 Brick 1 x 4
Part #: 3010 Red
Brick 1 x 4 Brick 1 x 4
Part #: 3010 Black
Plate 2 x 4 Plate 2 x 4
Part #: 3020 Black
Plate 2 x 4 Plate 2 x 4
Part #: 3020 Red
Plate 2 x 3 Plate 2 x 3
Part #: 3021 Light Gray
Plate 2 x 3 Plate 2 x 3
Part #: 3021 10× Black
Plate 2 x 2 Plate 2 x 2
Part #: 3022 Black
Plate 1 x 2 Plate 1 x 2
Part #: 3023 Black
Plate 1 x 2 Plate 1 x 2
Part #: 3023 26× Red
Plate 1 x 2 Plate 1 x 2
Part #: 3023 Light Gray
Plate 4 x 12 Plate 4 x 12
Part #: 3029 Red
Plate 4 x 4 Plate 4 x 4
Part #: 3031 Light Gray
Plate 4 x 6 Plate 4 x 6
Part #: 3032 Black
Plate 4 x 6 Plate 4 x 6
Part #: 3032 Light Gray
Plate 2 x 8 Plate 2 x 8
Part #: 3034 Black
Plate 6 x 8 Plate 6 x 8
Part #: 3036 Red
Slope 45° 2 x 4 Slope 45° 2 x 4
Part #: 3037 Black
Slope 45° 2 x 2 with 3 Gauges and 3 Knobs Print Slope 45° 2 x 2 w...
Part #: 3039pr9970 Black
Slope 45° 2 x 2 Double Convex Slope 45° 2 x 2 D...
Part #: 3045 Black
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b Black
Tile 1 x 2 with Space Computer Print Tile 1 x 2 with S...
Part #: 3069bpr0039 White
Tile 1 x 2 with Telemetry Panel Print Tile 1 x 2 with T...
Part #: 3069bpr0043 White
Slope 33° 3 x 2 Slope 33° 3 x 2
Part #: 3298 Black
Plate 1 x 8 Plate 1 x 8
Part #: 3460 White
Engine - Smooth, Small 1 x 2 Side Plate [With Axle Holders] Engine - Smooth, ...
Part #: 3475b Black
Minifig Head [Plain] [Blocked Open Stud] Minifig Head [Pla...
Part #: 3626b Black
Slope Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Slope Inverted 45...
Part #: 3660 Black
Slope Inverted 45° 2 x 1 Slope Inverted 45...
Part #: 3665 Red
Plate 1 x 6 Plate 1 x 6
Part #: 3666 Black
Technic Brick 1 x 2 [1 Pin Hole] Technic Brick 1 x...
Part #: 3700 Red
Technic Plate 2 x 4 [3 Holes] Technic Plate 2 x...
Part #: 3709 Black
Plate 1 x 4 Plate 1 x 4
Part #: 3710 Black
Plate 1 x 4 Plate 1 x 4
Part #: 3710 Red
Plate 1 x 4 Plate 1 x 4
Part #: 3710 White
Technic Plate 2 x 8 [7 Holes] Technic Plate 2 x...
Part #: 3738 Black
Slope Inverted 33° 3 x 2 [No Connections between Studs] Slope Inverted 33...
Part #: 3747a Black
Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Plate Special 1 x...
Part #: 3794a Light Gray
Plate 2 x 6 Plate 2 x 6
Part #: 3795 Red
Plate 2 x 10 Plate 2 x 10
Part #: 3832 Black
Bracket 2 x 2 - 2 x 2 Bracket 2 x 2 - 2...
Part #: 3956 Black
Train Buffer Beam Train Buffer Beam
Part #: 4022 Black
Tile Special 6 x 4 with Beveled Edges and 5mm Pin (Train Bogie Plate) Tile Special 6 x ...
Part #: 4025 Black
Brick Special 1 x 1 with Headlight Brick Special 1 x...
Part #: 4070 Red
Seat / Chair 2 x 2 Seat / Chair 2 x 2
Part #: 4079 Yellow
Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] Plate Special 1 x...
Part #: 4081b Black
Tile 1 x 8 with Groove Tile 1 x 8 with G...
Part #: 4162 Red
Train Door 1 x 4 x 5 Left White Stripe Train Logo Print Train Door 1 x 4 ...
Part #: 4181pr0008 Red
Train Door 1 x 4 x 5 Right White Stripe Train Logo Print Train Door 1 x 4 ...
Part #: 4182pr0008 Red
Glass for Train Door Lip On Top and Bottom Glass for Train D...
Part #: 4183 Trans-Clear
Technic Pin 1/2 Technic Pin 1/2
Part #: 4274 Light Gray
Plate 1 x 10 Plate 1 x 10
Part #: 4477 Red
Hinge Tile 1 x 2 1/2 with 2 Fingers on Top Hinge Tile 1 x 2 ...
Part #: 4531 Light Gray
Brick Round 1 x 1 with Fins, Open Stud Brick Round 1 x 1...
Part #: 4588 Black
Cone 1 x 1 [No Top Groove] Cone 1 x 1 [No To...
Part #: 4589 Black
Brick Curved 2 x 4 x 2 Double [Plain] Brick Curved 2 x ...
Part #: 4744 Red
Tail 4 x 2 x 2, Rocket Tail 4 x 2 x 2, R...
Part #: 4746 Black
Slope Inverted 45° 4 x 2 Double with 2 x 2 Recessed Slope Inverted 45...
Part #: 4871 Black
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 Black
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 Trans-Clear
Motor, Train Base, 9V [Complete Assembly] Motor, Train Base...
Part #: 70358 Black
Magnet Cylindrical Magnet Cylindrical
Part #: 73092 Black
Notable Parts
Build Ideas

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

Searching for YouTube reviews...

This may take a moment

Charts Inventory Statistics

75
Unique Parts
310
Total Pieces
1
Minifigures
Inventory Version: 1