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Spektrum

Spektrum Firma 4685 1250Kv Brushless Motor

  • Brushless

Part no. SPMXSM1200

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Spektrum Firma 4685 1250Kv brushless motor compatible with the Arrma Kraton 8S 1/5 Monster Truck; supports 4-8S LiPo at up to 180A continuous.

  • Compatible with the Arrma Kraton 8S 1/5 Monster Truck
  • 4-pole, 8-magnet rotor design with CNC machined aluminium housing
  • 1250Kv, 4-8 cell LiPo, 180A maximum continuous current
  • Preinstalled 6.5mm gold plated bullet connectors
  • Perfectly matched to the Spektrum Firma 160 Smart ESC

Ordered 3 Nov · we're waiting on our supplier

In stock now: similar

Will it fit?

Check fit: add your vehicle to My GarageFits 4 vehicles

Overview

This Spektrum Firma 1250Kv Brushless Motor is compatible with the Arrma Kraton 8S 1/5 Monster Truck. A perfect option for larger-scale models looking to run an 8S Lipo powered setup. Low cog 4-pole 8-magnet rotor design, CNC machined aluminium housing, insulated high purity copper windings, high-quality alloy steel 5mm output shaft, and high-precision bearings for high durability and smooth rotation. Preinstalled with 6.5mm gold plated bullet connectors. Perfectly matched to the Firma 160 Smart ESC.

Features

  • Perfect upgrade for the ARRMA Limitless Speed Roller
  • High Efficiency Design
  • Precision ball bearings and hardened steel 5mm shaft
  • 4-pole construction for smooth and consistent power
  • 6.5mm gold bullet connectors for reliable and efficient connection
  • Black anodized aluminium 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

Specifications

Bearings or BushingsBearings
Connector Type6.5mm Bullet
Efficiency90%
Recommended Speed ControlSpektrum Firma 160 Smart ESC
Input Voltage12-35.2V
Output6300W
Shaft Diameter3/16" (5mm)
Motor TypeBrushless
Overall Length3.3" (85mm)
RPM/Volt (Kv)1250Kv
Number of Poles4
Maximum Continuous Current180A
Wire Gauge10 AWG
Weight26.1oz (740g)
Cells4-8 cell LiPo
Size4685
Overall Diameter1.8" (46mm)

Motor

TypeBrushless
KVRPM (Revolutions Per Minute) per Volt1250KV
LengthLength of the motor can in mm85mm
DiameterDiameter of the motor can46mm
Shaft Diameter5mm

Compatibility

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