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Firma 4274 2250Kv 4-Pole Sensored Brushless Motor: 5mm

Firma 4274 2250Kv 4-Pole Sensored Brushless Motor: 5mm

Brand: Spektrum

Part No: SPMX-1046

£208.99 RRP £219.99

Supplier Stock: Expected May 23rd

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The Spektrum Firma 4274 2250Kv 4-Pole Sensored Brushless Motor (SPMX-1046) is a strong choice for 1/8 scale buggies and truggies running 3S–6S LiPo. Its sensored design delivers fine low-speed control, while the robust 5 mm output shaft and precision bearings support smooth, reliable power delivery for racing and bashing.

Key Features

  • Sensored design for precise throttle response across the rev range
  • Optimised for 1/8 scale buggy and truggy applications
  • High-efficiency, low-cog 4‑pole, 8‑magnet rotor design
  • 3S–6S LiPo capable
  • CNC machined aluminium housing with insulated high-purity copper windings
  • Precision ball bearings and hardened steel 5 mm shaft

Specifications

  • Application: 1/8 Truggy and Buggy
  • Bushing or Bearing: Bearing
  • Input Voltage: 3S–6S LiPo
  • Motor Output Lead: Solder tabs
  • Motor Size: 4274
  • Motor Type: Brushless
  • Number of Poles: 4
  • Outer Diameter: 41 mm (1.6 in)
  • Product Length: 74 mm (2.9 in)
  • Product Weight: 360 g (12.7 oz)
  • RPM/Volt (Kv): 2250Kv
  • Sensored: Yes
  • Shaft Diameter: 5 mm (0.19 in)
  • Shaft Length: 19 mm (0.73 in)

Suggested Compatibility

  • Spektrum Firma 130 Smart Sensored ESC (SPMXSE2130S)
  • 1/8 scale buggies and truggies using 3S–6S LiPo power

What’s Included

  • Spektrum Firma 4274 2250Kv 4-Pole Sensored Brushless Motor
  • Product manual
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Spektrum Firma 4274 2250Kv Sensored Brushless Motor Overview

The Spektrum™ Firma™ 2250Kv Sensored Brushless Motor is the perfect option for 1/8th scale buggies or truggies with a 3S-6S LiPo. Featuring a low cog 4-pole 8-magnet rotor design, CNC machined aluminum housing, insulated high purity copper windings, high-quality alloy steel 5mm output shaft, and precision bearings for durability and smooth rotation. Perfectly matched for the Firma 130 Smart Sensored ESC (SPMXSE2130S).

Spektrum Firma 4274 2250Kv Motor Features
  • Sensored design allows fine control at all speeds
  • Perfect upgrade for 1/8th scale racers and bashers
  • High efficiency design
  • 3S-6S LiPo power capable
  • High-quality 4-pole sintered rotor
  • High-quality construction with precision ball bearings and hardened steel 5mm shaft

Firma 4274 2250Kv 4-Pole Sensored Brushless Motor: 5mm Specfications:

  • Application: 1/8 Truggy and Buggy (Recommended with SPMXSE2130S ESC only)
  • Bushing Or Bearing: Bearing
  • Input Voltage: 3S - 6S
  • Motor Output Lead: Solder tabs
  • Motor Size: 4274
  • Motor Type: Brushless
  • Number of Poles: 4
  • Outer Diameter: 1.6" (41 mm)
  • Product Length: 2.9" (74 mm)
  • Product Weight: 12.7 oz (360g)
  • Recommended Speed Control: SPMXSE2130S
  • RPM/Volt (Kv): 2250Kv
  • Sensored: Yes
  • Shaft Diameter: 0.19" (5 mm)
  • Shaft Length: 0.73" (19 mm)

In The Box
  • (1) Spektrum Firma 4274 2250Kv 4-Pole Sensored Brushless Motor
  • (1) Product Manual


Key Info:
  • Brand: Spektrum
  • Part No: SPMX-1046
  • Barcode: 0660132929480
  • Fitment: Standard Part
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