Hobbydex / RC cars / Tamiya / TRF420X / TRF420X Chassis Kit

Tamiya TRF420X Chassis Kit

Also on TamiyaBase, a fan site; a courtesy link, not a source for Hobbydex.

Platform: TRF420X
Scale: 1/10
Type: touring car · 4WD · electric
Item number: 42382
Released: 21 May 2022
Build: Kit
Status: discontinued

Stock gearing

3.87 : 1
116T spur / 30T pinion
Spur/pinion ratio of the gears in the box. The transmission's internal ratio is not in our data, so this is not the final drive ratio.

Bearings (6 sizes)

Sizes of the bearings in the box; the count per car is not in our source for this release.

Size	Parts
3x6x2.5mm ball bearing (MR63)	19804243
3x6x2.5mm flanged ball bearing (MF63)	19805646
3x7x3mm ball bearing (MR73)	19808022
5x9x3mm flanged ball bearing (MF95)	42367
5x10x4mm ball bearing (MR105)	42366
10x15x4mm ball bearing (6700)	42365

Also 1 bearing part of unknown size: 42368.

Bearing kits for this car

Kit	Bearings	Against the box
RCScrewZ tam255b Tamiya RC TRF420X 1/10th (#42382) Compatible Metal Shielded Bearing Kit		misses 5x9x3mm flanged ball bearing (MF95), 5x10x4mm ball bearing (MR105)
RCScrewZ tam255r Tamiya RC TRF420X 1/10th (#42382) Compatible Rubber Shielded Bearing Kit		misses 5x9x3mm flanged ball bearing (MF95), 5x10x4mm ball bearing (MR105)
Fast Eddy Bearings TFE8137 Tamiya TRF420X Chassis Kit Sealed Bearing Kit	27	every size
Fast Eddy Bearings TFE8138 Tamiya TRF420X Chassis Kit Ceramic Sealed Bearing Kit	27	every size

Screw kits for this car (1)

RCScrewZ tam255 Tamiya RC TRF420X 1/10th (#42382) Compatible Stainless Steel Screw Kit

Quantities are per car, read from the build manual's steps; Pack is how many pieces one part number buys.

Show Build steps

In the box (144)

Ball ends and links (5)

Number	Name	Qty	Pack	Brand	Step
53969	5x8mm Hex Ball Connector	5		Tamiya	MC6
54247	3x18mm Aluminum Turnbuckle Shaft (2pcs.)	2	2	Tamiya	MB11
54249	3x32mm Aluminum Turnbuckle Shaft (2pcs.)	2	2	Tamiya	MC26
54250	3x42mm Aluminum Turnbuckle Shaft (2pcs.)		2	Tamiya
19804381	5x9mm Hex Ball Connector	2		Tamiya	MC5

Bearings and bushings (7)

Number	Name	Qty	Brand	Step
42365	1510 Ball Bearing	2	Tamiya	MA18
42366	1050 Ball Bearing	2	Tamiya	MC9
42367	950 Flanged Ball Bearing	2	Tamiya	MA19
42368	850 Sealed (Blue) Ball Bearing	2	Tamiya	MA21
19804243	630 Ball Bearing	2	Tamiya	MA23
19805646	630 Flanged Ball Bearing		Tamiya
19808022	730 Ball Bearing	4	Tamiya	MA22

Bumpers and guards (3)

Number	Name	Brand	Step
51644	TRF420 B Parts (Bumper)	Tamiya
13404111	Bumper Support	Tamiya	ME31
16274028	Urethane Bumper	Tamiya

Chassis and mounts (19)

Number	Name	Qty	Brand	Step
13404132	Lower Deck (Carbon)		Tamiya
13404133	Upper Deck		Tamiya
13404134	Front Damper Stay		Tamiya	MD10
13404136	Battery Holder (Upper)		Tamiya
13404137	C Deck		Tamiya
13404138	Rear Stiffener		Tamiya
13451230	Upper Bulkhead (Blue)	1	Tamiya	MA46
13451398	Front Lower Bulkhead A (Blue)		Tamiya	MA42
13451399	Front Lower Bulkhead R (Blue)		Tamiya	MA43
13451400	Rear Lower Bulkhead A (Blue)		Tamiya
13451401	Rear Lower Bulkhead R (Blue)		Tamiya	MA45
13451404	Servo Mount (Blue)		Tamiya	ME29
13451406	Upper Deck Holder (Blue)		Tamiya	ME23
13461396	Motor Mount A (Blue)		Tamiya
13461397	Motor Mount B (Blue)		Tamiya
13461408	Battery Stopper (Black)		Tamiya	MA41
13461413	Center Ballast Weight 20g (Black)		Tamiya	MA40
19406274	Lower Deck (Aluminum)		Tamiya
19803227	Front Ballast Weight (Black) (L, R)		Tamiya	ME18, ME19

Decals (1)

Number	Name	Qty	Pack	Brand	Step
11421809	Stickers			Tamiya

Differential (3)

Number	Name	Qty	Pack	Brand	Step
51565	TRF419 Gear Differential Unit Aluminum Diff Joint (2pcs.)	2	2	Tamiya	MA30
51567	TRF419 Gear Differential Unit Bevel Gear Set	2		Tamiya
51643	TRF420 Differential Pulley & Case (37T)			Tamiya	MA49, MA60, MA61

Drivetrain (14)

Number	Name	Qty	Brand	Step
42221	W Cardan Cross Joint Set	4	Tamiya	MC15, MC17, MC21
42320	W Cardan Joint Pipe	2	Tamiya	MC10
42346	Wheel Axle	2	Tamiya	MC13
42357	Low Friction Cross Joint Set	2	Tamiya	MC16, MC20, MC3
42362	W Cardan 44mm Drive Shaft	2	Tamiya	MC12
42363	Axle Shaft	2	Tamiya	MC14
53570	Clamp Type Aluminum Wheel Hub (4mm Thick)	9	Tamiya	MC29, MC1
54921	Reinforced Swing Shaft Caps (Front/Rear, 2pcs. each)	1	Tamiya
13461366	Center Shaft		Tamiya	MA32
19803336	1.6x9mm Shaft	5	Tamiya	MA34
19803404	43mm Swing Shaft	2	Tamiya	MC11
19804802	Axle Ring	5	Tamiya	MC15
19804852	2.8x23.4mm Cross Shaft	2	Tamiya	MA33
19805776	2x9.8mm Shaft	10	Tamiya	MC20

Electronics (3)

Number	Name	Brand	Step
84189	Antenna Cap Set	Tamiya
13451405	Cooling Fan Post (Blue)	Tamiya	MF22
16095010	Antenna Pipe (30cm) (Black)	Tamiya

Gears and transmission (3)

Number	Name	Brand
51642	TRF420 Front Direct Pulley (37T)	Tamiya
51670	TA08 Front Belt (132T)	Tamiya
51671	TA08 Rear Belt (101T)	Tamiya

Manuals (1)

Number	Name	Qty	Pack	Brand	Step
11057553	Instructions			Tamiya

Nuts (4)

Number	Name	Qty	Pack	Brand	Step
42143	4mm Flange Nut (Blue)	4		Tamiya	ME10
53640	5mm Aluminum Ball Nut Blue	10		Tamiya	MF9
54155	3mm Thin Aluminum Lock Nut 5pcs./Blue		5	Tamiya
19803402	Stiffener Nut (Blue)	5		Tamiya	MA38

O-rings and seals (4)

Number	Name	Qty	Pack	Brand	Step
42369	3mm Silicone O-Ring (Blue)	8		Tamiya	MD4
42374	5mm Silicone O-Ring (Blue)	4		Tamiya	MA24
51648	Gear Differential Unit Gasket (TRF420, TRF419, TA07) (4pcs.)	4	4	Tamiya	MA49
53574	TRF Damper Rod Guide & O-Ring Set 4 Sets	4		Tamiya	MD2

Oils and greases (3)

Number	Name	Qty	Pack	Brand	Step
53439	Anti-Wear Grease (3g)			Tamiya
54667	Silicone Oil (#3000)			Tamiya
54727	Oil Seal (4pcs.) for TRF Super Short Big Bore Damper	4	4	Tamiya	MD6

Parts trees (2)

Number	Name	Qty	Pack	Brand	Step
51646	K Parts			Tamiya
19005893	A Parts	10		Tamiya	MC1

Pinions (1)

Number	Name	Qty	Pack	Brand	Step
42229	30T Pinion Gear			Tamiya

Pins and clips (1)

Number	Name	Qty	Pack	Brand	Step
51537	6mm Snap Pin	15		Tamiya	MF30

Screws (20)

Number	Name	Qty	Pack	Brand	Step
50575	2.6x10mm Tapping Screw			Tamiya
50576	3mm Grub Screw			Tamiya
51624	3x6mm Steel Hex Head Screws (10pcs.)	10	10	Tamiya	MA3
51626	3x8mm Steel Hex Head Screws (10pcs.)		10	Tamiya
51628	3x10mm Steel Hex Head Screws (10pcs.)		10	Tamiya
51629	3x10mm Steel Countersunk Hex Head Screws (10pcs.)	10	10	Tamiya	ME5
51631	3x12mm Steel Countersunk Hex Head Screws (10pcs.)		10	Tamiya
54862	Aluminum Servo Step Screws (4pcs.)	4	4	Tamiya	ME2
61627	3x8mm Countersunk Head Hex Screw (MAS x10) 87022		10	Tamiya
19003043	2.6x5mm Hex Screw	5		Tamiya	MA4
19004900	3x14mm Countersunk Head Hex Screw			Tamiya
19005093	1.6x4mm Cap Screw			Tamiya
19803406	4x42mm Countersunk Head Screw			Tamiya	ME27, ME21, ME28
19804194	3x10mm Screw	2		Tamiya	MB2
19804392	3x10mm Tapping Screw (Black)	10		Tamiya	MF7
19804477	2x8mm Hex Countersunk Head Tapping Screw			Tamiya
19804780	4x8mm Screw			Tamiya
19805777	3x2.5mm Grub Screw	10		Tamiya	MC3
19805888	2.6x10mm Cap Screw	10		Tamiya	ME6
19805990	3x5mm Hex Screw	10		Tamiya	ME1

Shock springs (1)

Number	Name	Qty	Pack	Brand	Step
42306	Coil Spring Set	2		Tamiya	MD7

Shocks (4)

Number	Name	Qty	Pack	Brand	Step
54728	Piston (4pcs.) for TRF Super Short Big Bore Damper		4	Tamiya
54871	Reinforced V Parts for TRF Dampers			Tamiya
19803224	Damper Cylinder, Cap, Rod Guide Cap, Adjuster			Tamiya
19803328	Piston Rod	2		Tamiya	MD11

Spur gears (1)

Number	Name	Qty	Pack	Brand	Step
51557	TRF418 Spur Gear (116T)			Tamiya

Steering (6)

Number	Name	Qty	Brand	Step
51000	Hi-Torque Servo Saver (Black)		Tamiya
54704	TA07 Aluminum Steering Arm Set	2	Tamiya	MB14
13450752	Steering Post (Black)	1	Tamiya	MA25
13451238	Steering Bridge (Blue)		Tamiya	MB15
13451239	Steering Pivot 8.0mm (Blue)		Tamiya	MB12
13451240	Steering Pivot 8.5mm (Blue)		Tamiya	MB13

Suspension (19)

Number	Name	Qty	Pack	Brand	Step
42281	Stabilizer Set	1		Tamiya	MC27
51636	TRF420 3x43mm Suspension Shafts (4pcs.)	4	4	Tamiya	MB9
51637	TRF420 3x25mm & 3x22mm Suspension Shafts (2pcs. Each)	2		Tamiya	MC18, MC19
51638	TRF420 C Parts (Front Uprights)			Tamiya
51639	TRF420 D Parts (Suspension Arms)	1		Tamiya
51640	TRF420 E Parts (Rear Uprights)			Tamiya
51641	TRF420 F Parts (4˚ Hub Carriers)			Tamiya
51699	XV-02 E Parts (Rear Uprights)	1		Tamiya
54870	Stabilizer End 5mm Adjusters (4pcs.)	4	4	Tamiya	MC22
54882	Aluminum Adjustable Suspension Mount (E)	1		Tamiya	MB16
54884	Aluminum Adjustable Separate Suspension Mounts (A)	1		Tamiya	MA26, MA27
54885	Separate Suspension Mount E, N Parts (Bushing)	1		Tamiya	MA28, MA29
54942	TRF420 Suspension Arm Bushing B (2pcs.)		2	Tamiya
54979	Soft Stabilizer Set (TA07, TB-05)	1		Tamiya	MC28
13451402	Upper Arm Mount A	1		Tamiya	MA36
13451403	Upper Arm Mount B	1		Tamiya	MA37
13461414	Belt Stabilizer Mount			Tamiya	ME26
19803221	Knuckle Arm	2		Tamiya	MC25
19803300	Stabilizer Rod Stopper (Blue)	2		Tamiya	MC23

Tools (3)

Number	Name	Qty	Brand	Step
50038	Tool Set	4	Tamiya	MC2
12990027	2mm Hex Wrench		Tamiya
14305026	Wrench		Tamiya

Washers, shims and spacers (10)

Number	Name	Qty	Brand	Step
42307	Upper Arm Spacer	2	Tamiya	MA35
50586	3mm Washer		Tamiya
53539	φ 5.5mm Aluminum Spacer Set	4	Tamiya	MA10, MA11, MB4, MB5
53585	3mm Shim Set	10	Tamiya	MA17, ME13
53587	5mm Shim Set	10	Tamiya	MA14, MA15, MA16
54156	3mm Countersunk Washer (Blue)	8	Tamiya	ME12
19004372	5x(6.4)x1.5mm Spacer (Blue)	10	Tamiya	MC8
19803403	5x15.2x0.2mm Shim	10	Tamiya	MA13
19804246	5x0.5mm Spacer		Tamiya
19804382	4.5x3.5(+0.5)mm Flanged Tube	2	Tamiya	MC24

Other (6)

Number	Name	Qty	Pack	Brand	Step
50171	Heat Resistant Double-Sided Tape	5		Tamiya
50588	2mm E-Ring	15		Tamiya	MD3
54869	Open Face 5mm Reinforced Adjusters (Long/8pcs.)	8	8	Tamiya	MB7
19003230	Front Direct Cup	2		Tamiya	MA31
19806645	3x0.7mm Spacor	10		Tamiya	MB6
19808134	Nylon Band (Black)	10		Tamiya

Sources

Tamiya 42382 1/10 SCALE R/C 4WD HIGH PERFORMANCE RACING CAR TRF420X CHASSIS KIT: product page (Japanese)
Tamiya product classes (regular, special sale, special project, limited, production paused)
Tamiya 42382 TRF420X Chassis Kit: assembly manual · d7z22c0gz59ng.cloudfront.net · 2022-06-10

Data: 42382.toml on GitHub · report an error