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Firma 1250Kv Brushless Motor
Brand: Spektrum
Part No: SPMXSM1200
Shadow Stock: Usually ships next day
The Spektrum Firma 1250Kv Brushless Motor (SPMXSM1200) delivers powerful, smooth performance for larger-scale RC cars running 4–8S LiPo. Its low-cog 4‑pole, 8‑magnet rotor, CNC‑machined aluminium housing, insulated high-purity copper windings and hardened 5 mm output shaft are engineered for durability and consistent output. Preinstalled 6.5 mm gold-plated bullet connectors simplify installation, and it pairs seamlessly with the Spektrum Firma 160 Smart ESC for a balanced, high-performance setup.
Key Features
- Suggested upgrade for the ARRMA Limitless Speed Roller
- High-efficiency design
- High-quality 4-pole sintered rotors
- Includes 6.5 mm gold-plated bullet connectors
- Precision ball bearings and hardened steel 5 mm shaft
- Low-cog 4‑pole, 8‑magnet rotor design
- CNC‑machined aluminium housing
- Insulated high-purity copper windings
What’s In The Box
- Spektrum Firma 4985-1250Kv Sensorless 1/7–1/5 Brushless Motor with 6.5 mm gold-plated bullet connectors
Needed To Complete
- Electronic speed control such as the Spektrum Firma 160 Smart ESC
Specifications
- Bearings or Bushings: Bearings
- Cells: 4–8 cell LiPo
- Connector Type: 6.5 mm Bullet, 6.5 mm Bullet
- Efficiency: 90%
- Input Voltage: 12–35.2V
- Maximum Continuous Current: 180A
- Motor Type: Brushless
- Number of Poles: 4
- Output: 6300W
- Overall Diameter: 1.9" (49 mm)
- Overall Length: 3.3" (85 mm)
- RPM/Volt (Kv): 1250Kv
- Recommended Speed Control: Spektrum Firma 160 Smart ESC
- Shaft Diameter: 3/16" (5 mm)
- Size: 4965
- Weight: 26.1 oz (740 g)
- Wire Gauge: 10 AWG
Suggested Compatibility
- Manufacturer suggested compatibility includes: ARA110002T1, ARA110002T2
Secured by Stripe
- Perfect upgrade for the ARRMA Limitless Speed Roller
- Hgh Efficiency Design
- High-quality 4-pole sintered rotors
- Includes 6.5mm gold plated bullet connectors
- Precision ball bearings and hardened steel 5mm shaft
Perfect option for larger scale models looking to run a 8S Lipo powered setup. 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 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.
Needed to Complete- Electronic Speed Control such as the Firma 160 Smart ESC
- Spektrum Firma 4985-1250Kv Sensorless 1/7-1/5 Brushless Motor with 6.5mm Gold Plated Bullet Connectors
Firma 1250Kv Brushless Motor Specfications:
- Bearings or Bushings: : Bearings
- Cells: : 4-8 cell LiPo
- Connector Type: : 6.5mm Bullet,6.5mm Bullet
- Efficiency: : 90%
- Input Voltage: : 12-35.2V
- Maximum Continuous Current: : 180A
- Motor Type: : Brushless
- Number of Poles: : 4
- Output: : 6300W
- Overall Diameter: : 1.9" (49mm)
- Overall Length: : 3.3" (85mm)
- RPM/Volt (Kv): : 1250Kv
- Recommended Speed Control: : Spektrum Firma 160 Smart ESC
- Shaft Diameter: : 3/16" (5mm)
- Size: : 4965
- Weight: : 26.1oz (740g)
- Wire Gauge: : 10 AWG
Key Info:
- Brand: Spektrum
- Part No: SPMXSM1200
- Barcode: 605482428092
- Fitment: Option Part
- Fitment: Standard Part
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Questions & Answers
If you can physically get it mounted that will work on 8s but it is not water cooled so you may have problems finding a water jacket to fit.
No, this is for the bigger 8s Kraton, you would need something arround 2200Kv like SPMXSM2700
I suspect it'll be too large sorry
Afraid I don't know to one sorry
Hmm, diameter on the stock motor is around 41mm, diameter on this is 49mm so it is a good chunk larger. I've not tried it - but would suggest this will not have enough clearance against the chassis to fit, so will not fit without modifications.
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