Spektrum · SPMXSM1700
Spektrum Firma 4074 2050Kv Brushless Motor
Specifications
- Application
- 1/8 scale buggy, truggy or monster trucks with 3S-6S LiPo setup
- Connector Type
- 4mm Bullet
- Efficiency
- 85%
- Input Voltage
- 12 - 25.2V
- Maximum Continuous Current
- 62A
- Motor Design
- Inrunner
- Motor Size
- 4074-2050Kv Brushless Inrunner
- Motor Type
- Brushless
- Number of Poles
- 4
- Outer Diameter
- 1.57" (40 mm)
- Output
- 5050W
- Product Length
- 2.9" (74 mm)
- Product Weight
- 0.92lbs (415g)
- RPM/Volt (Kv)
- 1900Kv
- Sensored
- No
- Shaft Diameter
- 0.196" (5 mm)
- Size
- 4074
- Supplied items
- Firma 2050Kv Brushless Motor
Packages
Vehicle applications
These applications were researched for the named editions. Parts-list inclusion does not establish universal fitment. Package quantity and vehicle quantity are separate.
- Arrma Big Rock 6S BLXARA7612Parts-list inclusionView listing
- Arrma Fireteam 6S BLXARA7618Parts-list inclusionView listing
- Arrma Kraton 6S EXBARA8708V6T1Parts-list inclusionView listing
- Arrma Kraton 6S BLX V5ARA8608V5Parts-list inclusionView listing
- Arrma Kraton 6S BLX V6ARA8608V6Parts-list inclusionView listing
- Arrma Mojave 6S BLX EXBARA7704V3Parts-list inclusionView listing
- Arrma Mojave 6S BLX V2ARA7604V2Parts-list inclusionView listing
- Arrma Mojave 6S BLX V3ARA7604V3Parts-list inclusionView listing
- Arrma Notorious 6S BLX V5ARA8611V5Parts-list inclusionView listing
- Arrma Notorious 6S BLX V6ARA8611V6Parts-list inclusionView listing
- Arrma Outcast 6S BLX EXBARA8710Parts-list inclusionView listing
- Arrma Talion 6S EXBARA8707Parts-list inclusionView listing
- Arrma Talion 6S EXB 1/7ARA7707V6Parts-list inclusionView listing
- Arrma Typhon 6S BLX V5ARA8606V5Parts-list inclusionView listing
- Arrma Typhon 6S TLR TunedARA8406Parts-list inclusionView listing
- Arrma Felony 6S BLXARA7617V2Parts-list inclusionView listing
- Arrma Infraction 6S V2ARA7615V2Parts-list inclusionView listing
- Parts-list inclusionView listing
- Arrma Kraton 6S BLX V4ARA106040Option listingView listing
- Arrma Kraton 6S EXB RollerARA106053Option listingView listing
- Arrma Limitless V2 Speed Bash RollerARA7116V2Option listingView listing
- Arrma LimitlessARA109011Option listingView listing
- Arrma Mojave 6S EXB RollerARA7204Option listingView listing
- Arrma Talion 6S BLXARA106048Option listingView listing
- Option listingView listing
- Option listingView listing
Replacements & requirements
No replacement or additional-part relationship has been verified.
Sources
- Horizon Hobby: Spektrum Firma 4074 2050Kv Brushless MotorChecked 2026-10-29
- Official Horizon standard-parts results for ARA7612Checked 2026-09-30
- Exploded view (PDF)Checked 2026-09-30
- Parts tech pack (PDF)Checked 2026-09-30
- Owner's manual (PDF)Checked 2026-09-30
- Official Horizon standard-parts results for ARA7618Checked 2026-09-30
- Owner's manual (PDF)Checked 2026-09-30
- Parts explosion (Horizon PDF)Checked 2026-09-30
- Parts technical pack (Horizon PDF)Checked 2026-09-30
- Exploded view, single sheet (Horizon PDF)Checked 2026-09-30
- Official Horizon standard-parts results for ARA8708V6T1Checked 2026-09-30
- Exploded view (Horizon PDF)Checked 2026-09-30
- Parts technical pack (Horizon PDF)Checked 2026-09-30
- Instruction manual (Horizon PDF)Checked 2026-09-30
- Official Horizon standard-parts results for ARA8608V5Checked 2026-09-30
- Instruction manual, 6S V5 trucks (Horizon PDF)Checked 2026-09-30
- Exploded view, Kraton 6S V5 (Horizon PDF)Checked 2026-09-30
- Official Horizon standard-parts results for ARA8608V6Checked 2026-09-30
- Exploded view (PDF)Checked 2026-09-30
- Parts tech pack (PDF)Checked 2026-09-30
- Owner's manual (PDF)Checked 2026-09-30
- Official Horizon standard-parts results for ARA7704V3Checked 2026-09-30
- Official Horizon standard-parts results for ARA7604V2Checked 2026-09-30
- Instruction manual, 6S V5 trucks (Horizon PDF)Checked 2026-09-30
- Exploded view (Horizon PDF)Checked 2026-09-30
- Official Horizon standard-parts results for ARA7604V3Checked 2026-09-30
- Official Horizon standard-parts results for ARA8611V5Checked 2026-09-30
- Instruction manual, 6S V5 trucks (Horizon PDF)Checked 2026-09-30
- Exploded view, Notorious 6S V5 (Horizon PDF)Checked 2026-09-30
- Official Horizon standard-parts results for ARA8611V6Checked 2026-09-30
- Exploded view (Horizon PDF)Checked 2026-09-30
- Parts tech pack (Horizon PDF)Checked 2026-09-30
- Instruction manual (Horizon PDF)Checked 2026-09-30
- Official Horizon standard-parts results for ARA8710Checked 2026-09-30
- Exploded view (Horizon PDF)Checked 2026-09-30
- Instruction manual (Horizon PDF)Checked 2026-09-30
- Official Horizon standard-parts results for ARA8707Checked 2026-09-30
- Exploded view (Horizon PDF)Checked 2026-09-30
- Instruction manual (Horizon PDF)Checked 2026-09-30
- Official Horizon standard-parts results for ARA7707V6Checked 2026-09-30
- Technical pack with exploded view (Horizon PDF)Checked 2026-09-30
- Instruction manual (Horizon PDF)Checked 2026-09-30
- Official Horizon standard-parts results for ARA8606V5Checked 2026-09-30
- Owner's manual, 6S V5 range (Horizon PDF)Checked 2026-09-30
- Exploded view (Horizon PDF)Checked 2026-09-30
- Official Horizon standard-parts results for ARA8406Checked 2026-09-30
- Official Horizon standard-parts results for ARA7617V2Checked 2026-09-30
- Owner's manual, Infraction 6S and Felony 6S (PDF)Checked 2026-09-30
- Exploded view (Horizon PDF)Checked 2026-09-30
- Official Horizon standard-parts results for ARA7615V2Checked 2026-09-30
- Owner's manual, Infraction 6S and Felony 6S (PDF)Checked 2026-09-30
- Exploded view (Horizon PDF)Checked 2026-09-30
- Owner's manual (Horizon PDF)Checked 2026-09-30
- Exploded view (Horizon PDF)Checked 2026-09-30
- Official Horizon standard-parts results for LOS04019Checked 2026-09-30
- Spektrum SPMXSM1700 product/packageChecked 2026-10-29
- Spektrum Firma 4074 2050Kv Brushless MotorChecked 2026-10-04
- Spektrum Firma 4074 2050Kv Brushless MotorChecked 2026-10-04
- Spektrum Firma 4074 2050Kv Brushless MotorChecked 2026-10-04
- Spektrum Firma 4074 2050Kv Brushless MotorChecked 2026-10-04
- Spektrum Firma 4074 2050Kv Brushless MotorChecked 2026-10-04
- Spektrum Firma 4074 2050Kv Brushless MotorChecked 2026-10-04
- Spektrum Firma 4074 2050Kv Brushless MotorChecked 2026-10-04
- Spektrum Firma 4074 2050Kv Brushless MotorChecked 2026-10-04
- Product photo: Spektrum SPMXSM1700Checked 2026-11-02