Holmes Hobbies Puller Pro R 540-L V2 Waterproof Sensored Crawler Motor (4100kV)

Holmes Hobbies Puller Pro R 540-L V2 Waterproof Sensored Crawler Motor (4100kV)
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Price: $149.99
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The Holmes Hobbies Puller Pro R 540-L V2 Waterproof Sensored Crawler Motor is a rock race honed variation with higher quality materials for less heat, more torque, and less brake fade. It retains great low speed control and throttle feel, giving you an edge whether in the rocks or on the straights. An absolute beast on 3s!
 
Designed for dominating 1/10th scale U4, rock racing, endurance, G6, and trail adventure. Installs into Axial Yeti & Bomber, Losi Rock Rey, Traxxas TRX-4, and similar vehicles accepting 550 size motors. Recommended battery 2s or 3s lipo, 3800mah 35c or greater. Recommended ESC 1/10th or 1/8th scale suitable for 4x4 vehicles. If you get your motor wet, you must clean, dry, and relube bearings to avoid damage.

Warning! Do not extend screws into motor plate more than 3.5mm or damage to windings may occur. 

Features:
  • Four pole 17.5mm diameter x 32mm length rotor
  • Twelve slot stator
  • 180C resin impregnated copper windings
  • 200C rated high strength neodymium magnets
  • Oversized bearings
  • Sensored
  • Waterproof sensor board
  • Sensor wire included
NOTE: 1 year warranty from date of purchase. Does not include damage from overheating, rusting, or improper installation. 

Specifications:
Type: "550" size motor
Mount Pattern: 25mm 
Mounting Hardware: M3 screws
Shaft Diameter: 5mm 
Can Size: 36mm diameter x 60.5mm length
Weight: 236.5g
RPM: 60,000 rpm max

This product was added to our catalog on June 22, 2020

Saturday, Jun 27 2020 (about a year ago)
Holmes Hobbies Puller Pro R 540-L V2 Waterproof Sensored Crawler Motor (4100kV)
I purchased mine from Holmes hobbies a while back when it was first released. I run this in a trx6 with a mamba monster x.

First, running this with a mamba x will cause it to sit at 160f or higher due to the fan coming in at 150f and it not having a large enough heat sink. I also saw slightly higher ripple on the mamba x vs mmx at 1.08v vs 0.96v. Ripple was the same on the mmx when using a 4mm bullet to 6.5 adapter, but is much better now that I have soldered on the 6.5 bullets. Please use a monster x esc with this I was seeing 155-175f temps on the mamba x vs 130-155f on the mmx. Once the monster x fan comes on it sheds the heat.

This motor has a 5mm shaft and the smallest pinion is 11t. Geared the lowest, I see 150amps and 1600-1800 watts on the datalogs. This motor is ballistic. But it crawls really well. A puller pro standard is smoother starting up but it won’t affect performance.

I run dual fans because this motor has gotten to 160f on me when the ambient temps jumped above 90f. Was hitting the 160f shutoff, but now I run 115-130f motor temps.

You need good batteries and gearing. On 3s this has a max rpm range of 51,660 to 41,000 (12.6-10v).

Ultimately this is my favorite motor. It can crawl very very slowly but have insane ballistic acceleration.
Verified Owner
Thursday, Mar 25 2021 (4 months ago)
Holmes Hobbies Puller Pro R 540-L V2 Waterproof Sensored Crawler Motor (4100kV)
great motor, loads of torque. i put in my trx4, geared down. crawls like a monster