OUTRAGEOUS SIZE, OUTRAGEOUS POWER, OUTRAGEOUS TOUGHNESS, OUTRAGEOUS OUTCAST 8S

WHEELIE BAR

for when only 90 degree
wheelies will do
SWB CHASSIS

responsive stunt performance
SLIDING MOTOR MOUNT

for easy meshing and quick removal
FRONT BUMPER

stylish looks and functional
impact protection
ROLL-CAGE, STUNT RAGE

the stiff roll-cage offers protection
against high speed roof-time
BODY PROTECTION TOWER

interfaces with roll cage for enhanced body durability
ARRMA BRANDED
ALUMINUM CHASSIS
STUNT TRUCK WHEELS &
MULTI-TERRAIN DBOOTS®
BACKFLIP TIRES
CANDY APPLE
RED PAINT
INTEGRATED ELECTRONICS MODULE

Combined ESC, servo and receiver module
SPEKTRUM™ SMART
TECHNOLOGY INCLUDED
SPEKTRUM™
FIRMA™
4685 1250Kv
BRUSHLESS
MOTOR

THE BIGGEST STUNT TRUCK BY FAR

HUGE 8S
BRUSHLESS
POWER
STUNT TRUCK COMPOSITE
WHEELS INCLUDING
STEEL HEX INSERT
HYPER-DETAILED
DECALS
BODY POST SHIELDS
WITH INTEGRATED
BODY PIN RETAINERS
SIDE GUARD PROTECTION
ALL-METAL
TRANSMISSION

19T Pinion fitted
23T Pinion included as option

center diff filled with
20 million cSt oil
'SAFE-D5' PINION:
SAFE & SECURE
PINION DESIGN

The ARRMA ‘SAFE-D5’ design secures the pinion to the motor in three ways:

1. Set Screw
2. D-Shaped hole
3. E-clip

This minimises the chances of losing drive control of the car if the set screw comes loose

19T Pinion fitted
23T Pinion included as option
MASSIVE
ALUMINUM
OIL-FILLED
SHOCK ABSORBERS

ARRMA shock size comparison: 6S shock (left), 8S shock (right)

20mm Outer diameter shock body

24mm Outer diameter shock body
INTEGRATED BUMPER
& SKID PLATE
REAR WING
PROTECTION
RUBBER SEALED INPUT
BEARINGS WITH C-CLIP
HIGH STRENGTH STEEL FRONT,
REAR & CENTER DRIVESHAFTS
ADJUSTABLE
STEEL TURNBUCKLES
OVERSIZED
BATTERY
TRAYS

accommodate a wide
range of battery sizes
ADJUSTABLE BATTERY TRAY LENGTH: 140mm-170mm

Maximum battery dimensions 6.69 x 2.16 x 2.08 inches (170 x 55 x 53mm)

LARGE SCALE LAUGHS, 1/5TH SCALE FUN

ULTRA STRONG
CHASSIS BRACES
COMPOSITE
ROLL-OVER TOWER
REAR LOWER
CHASSIS BRACE
PRECISE SLIDING
PINION MESH DESIGN

19T Pinion fitted
23T Pinion included as option
1

2

3

TRIPLE DIFF ACTION
GIANT 8S TOUGH
METAL GEAR DIFFERENTIALS

ARRMA diff size comparison: 6S diff (left), 8S diff (right)
STEEL REINFORCED
FRONT & REAR
BULKHEADS

SUPERMASSIVE
STEEL REINFORCED
STEERING HUBS
CENTER DIFF EXPOSED:

8S ARRMA TOUGH

center diff filled with
20 million cSt oil
RIGID COMPOSITE
SHOCK TOWERS
FULL-SIZE 1/5th SCALE SERVO
WITH HEAVY-DUTY
SERVO SAVER
ARRMA-RED ANODIZED
ALUMINUM BLING
RUGGED STEERING KNUCKLE
& PIVOT-BALL SUSPENSION

OUTLAST THE COMPETITION WITH THE ARRMA OUTCAST 8S

- Ergonomic steering wheel for precise control
- On-the-fly adjustable AVC® gain for personalized handling
- Lightweight and ergonomic design for long bashing
- 3 channel radio system
- 2.4GHz technology built around DSMR technology
- Full-range telemetry capabilities
- Waterproof and dustproof design
- 160A, 8S LiPo ready (3S*, 4S*, 6S* and 8S LiPo compatible)
- Spektrum® SMART Technology
- Fitted with reliable IC5® connectors (EC5™ compatible)
- Integrated fan for reduced heat during extreme running
- High quality 10awg wires
- Low voltage cut off and thermal overload protection
- User programmable punch, brake, BEC, LVC sensitivity, reverse speed and motor timing settings
*3S, 4S and 6S are not recommended for the ARRMA 8S BLX models
- 1250Kv 4685 size 8S brushless motor
- Beautifully etched aluminum can
- 4-pole construction for smooth and consistent power
- 6.5mm gold bullet connectors for reliable and efficient connection
- Black anodized aluminum motor can for increased heat dissipation
- Super strong 5mm shaft
- Groove at the end of the motor shaft allows the installation of a pinion retaining E-Clip
- Full-size 1/5th scale servo
- Strong, metal gears used throughout
- Waterproof and dustproof case
- 15 tooth output spline
- Torque: 38kg-cm @6V
- Speed: 0.20sec/60degree @6V
- Dimensions: 2.36 x 1.14 x 2.17" (60 x 55 x 29mm)
The DX3 radio system can be equipped with the Spektrum Dashboard™
- Spektrum Bluetooth module*
- DX3 Smart Phone Mount*
- Smart Phone with the free Spektrum Dashboard App*
*Optional items that need to be purchased separately

Download the free Spektrum Dashboard app for your smart phone at your preferred app store

MASSIVE STUNT TRUCK TRICKERY

QUICK-REMOVAL
ELECTRONICS MODULE
WATERPROOF RECEIVER
COMPARTMENT
EASY MAINTENANCE DIFFS:
SIMPLE 7-SCREW REMOVAL
LONG, STRONG A-ARMS
MASSIVE ALUMINUM
SHOCK ABSORBERS:
EASY TO REBUILD
& SET-UP

5mm STAINLESS STEEL SHAFTS

24mm ALUMINUM BODIES
8S POWER MODULE

center diff filled with
20 million cSt oil
NEAT INSTALL

INTEGRATED BATTERY WIRE RETAINERS

Specifications

Overview Detailed Specs Electronics Included/Required

ARRMA Part Number

ARA5810

Vehicle Name

OUTCAST 8S BLX 1/5 Stunt Truck

SCALE

1/5

MAX SPEED POSSIBLE

55+mph / 88+km/h

POWER TYPE

Brushless

BUILD STATUS

RTR

Saleable Part #

ARA5810

Horizon Hobby Saleable Part #

ARA5810

BUILD CONFIGURATION OPTIONS

Mid Motor

DRIVE TYPE

4WD

VEHICLE TYPE

Stunt Truck

SURFACE

Off-road

LENGTH

714mm / 28.11"

WHEELBASE

430mm / 16.93"

RIDE HEIGHT

65mm / 2.56"

FRONT WIDTH

596mm / 23.46"

REAR WIDTH

595mm / 23.43"

HEIGHT

305mm / 12.01"

NUMBER OF DIFFERENTIALS

WEIGHT (NO BATTERY)

11kg / 24lbs 4oz

BATTERY RECOMMENDATIONS

100C 5000mAh 2 x 4S Lipo (Hard or soft-case) within dimensions 170 x 55 x 53mm or 6.69 x 2.16 x 2.09 inches

WARRANTY LEVEL

2 Year Limited

ARRMA Part Number

ARA5810

Vehicle Name

OUTCAST 8S BLX 1/5 Stunt Truck

BODY LENGTH

626mm / 24.65"

BODY WIDTH

277mm / 10.91"

BODY HEIGHT

161mm / 6.34"

FRONT SPRING RATE

2.21N/mm

REAR SPRING RATE

2.21N/mm

CAPTURED HINGEPINS

Yes

TURNBUCKLES/FIXED LINKS

Turnbuckles

HARDWARE TYPE

Hex Head

LOCKING DIFFS

DIFFERENTIAL TYPE

Gear

STANDARD SHOCK OIL (Viscosity)

500cSt

STANDARD DIFF OIL (Viscosity)

100k/20M/100kcSt

STANDARD SHOCK OIL (Type)

Silicone

STANDARD DIFF OIL (Type)

Silicone

DIFFERENTIAL CROWN GEAR SPECIFICIATION

39T 1.5m

DIFFERENTIAL PINION GEAR SPECIFICIATION

12T 1.5m

INTERNAL GEAR RATIO

9.06

INTERNAL GEAR MATERIAL

Metal

FITTED SPUR SIZE

47Tooth

FITTED SPUR MATERIAL

Metal

FITTED PINION GEAR SIZE

19Tooth

FITTED PINION MATERIAL

Metal

EXTRA SPEED PINION INCLUDED

Yes

PINION AND SPUR TOOTH PITCH

STANDARD FINAL GEAR RATIO

22.41

FINAL GEAR RATIO RANGE

14.68 - 30.43

TIRE STANDARD

MT (4.88")

TIRES INCLUDED

dBoots BACKFLIP

TIRE DIAMETER

202mm / 7.95"

TIRE INSERT TYPE

Medium

DRIVESHAFT TYPE

CVD Front & Rear

WHEEL BEAD DIAMETER

124mm / 4.88"

WHEEL HEX SIZE

24mm

WHEEL STANDARD

MT (4.88" 24mm hex)

WHEEL COLOR/FINISH

Black

MOUNTED TIRES

Yes

TIRE ATTACHMENT METHOD

Glued

SERVO HORN MATERIAL

Plastic (Direct Mount Servo Saver)

SERVO SPLINE SIZE

15T

BATTERY MAX DIMENSIONS

170x55x53mm / 6.69x2.17x2.09"

CHASSIS MATERIAL

4mm Plate, 6061-T6 Aluminum

TRIMMED BODY

Yes

BODY-ON BATTERY ACCESS

BODY PIN RETAINERS

Yes

TORQUE SPLIT

50/50

MODEL PRODUCTION YEAR

2020

ARRMA Part Number

ARA5810

Vehicle Name

OUTCAST 8S BLX 1/5 Stunt Truck

POWER LEVEL

RADIO SYSTEM

DX3

2.4Ghz

Yes

NUMBER OF RADIO CHANNELS

ESC

SPEKTRUM FIRMA SMART 160A 8S

WATERPROOF ELECTRONICS

Yes

ESC CONNECTOR TYPE

IC5

MOTOR

SPEKTRUM 1250Kv 4685

SERVO

SPEKTRUM SPMS905

SERVO GEAR MATERIAL

Metal

MAX SERVO TORQUE @6v

38kg-cm / 528oz-in

MAX SERVO SPEED @6v

0.2sec

ARRMA Part Number

ARA5810

Vehicle Name

OUTCAST 8S BLX 1/5 Stunt Truck

Included

OPTION GEARING

23T PINION

TOOLS INCLUDED

24mm Wheel Nut Driver, Circlip Pliers

ADDITIONAL PARTS

Sway Bar Links (to fit optional Sway Bar)

Required

RECOMMENDED LIPO BATTERY MINIMUM CONTINUOUS DISCHARGE RATE

50C 5000mAh

REQUIRED ITEMS

2x4S LiPo Battery, LiPo Charging Bag, Charger, 4 x 'AA' Batteries

Resources

ARA5810

OUTCAST 8S BLX 1/5 Stunt Truck

Instruction Manual

Exploded View (Interactive)

Exploded View (PDF)

Standard Parts

Option Parts

Quick Menu

Popular Pages

Support

Popular Kits

Power Systems

ARRMA Parts

OUTRAGEOUS SIZE, OUTRAGEOUS POWER, OUTRAGEOUS TOUGHNESS, OUTRAGEOUS OUTCAST 8S

THE BIGGEST STUNT TRUCK BY FAR

LARGE SCALE LAUGHS, 1/5TH SCALE FUN

OUTLAST THE COMPETITION WITH THE ARRMA OUTCAST 8S

MASSIVE STUNT TRUCK TRICKERY

Specifications

Included

Required

Resources

Useful Locations

1/10 Electric Off-Road Vehicles

1/8 Electric Off-Road Vehicles

1/7 Electric Vehicles

Power Systems

Contact & Care

Website Settings