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Description
Speed Controller EFC 4914091 for Generator Cummins Governor Speed Control UnitSpeed Controller EFC 4914091 for Generator Cummins Governor Speed Control Unit Part Number: 4914091 Application: For Generator Cummins Governor Speed Control Unit SPECIFICATION: RPM Stability:<0. 25% Speed Range: 1KHz 6. 5KHz Thermal stability: Max 0. 7% IDLE Regulation: 26020Hz DROOP Regulation: Minimum 15Hz6Hz 1 Amp Maximum: 400Hz 75Hz 1 Amp External Speed Regulation:200Hz (with 1 K AUX Input Sensitivity: 148Hz 1V., 10Hz Impedance: 1M Working Temp
Speed Controller EFC 4914091 for Generator Cummins Governor Speed Control UnitPart Number:
4914091
Application:
For Generator Cummins Governor Speed Control Unit
SPECIFICATION:
RPM Stability:<±0.25%
Speed Range:1KHz-6.5KHz
Thermal stability:Max ±0.7%
IDLE Regulation:260±20Hz
DROOP Regulation:
Minimum 15Hz±6Hz/ 1 Amp
Maximum:400Hz ±75Hz/ 1 Amp
External Speed Regulation:±200Hz (with 1 K
AUX Input Sensitivity:148Hz / 1V., ±10Hz
Impedance:1M
Working Temp Range:-40 - 85
ENVIRONMENT:
Working Humidity Range:Maximum 95%
Stocking Temp:-55 - 92
Shocking:20-100HZ 500mm/Sec.
INPUT POWER SUPPLY
Voltage:12V or 24V
Grounding Pole:Negative pole
Power Supply:40mA
Actuator Continuous Current:Minimum 1A,Maximum 4.5A
MPU Signal: 2 ~ 120V RMS
NOTE: Above-Mentioned parameters are tested with a 3800Hz working frequency.
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Exchange/Return Notes
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4.9 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
Bouncy and durable
Color: Four colors, Size: 5cm (ball only), Color: Four colors, Size: 5cm (ball only)
These balls are awesome - bouncy and super durable for my little guy!
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Reviewed in the United States on May 17, 2026
★★★★★ 5
Great quality
Color: Four colors, Size: 5cm (ball only)
I was very surprised that these are as good as the chuck it balls. I have a super chewer and he’s tears balls up except for chuck its and he can’t tear these up.
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Happy pup
Color: Four colors, Size: 5cm (ball only)
Small but bouncy. Pupper loves them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026
★★★★★ 5
Awesome price for quality balls
Color: Four colors, Size: 5cm (ball only)
These balls are super bouncy and durable. My dog loves them and for the price these are totally worth it! I think they are as durable as nerf balls and equal in size, and much cheaper!
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Reviewed in the United States on November 19, 2025
★★★★★ 1
Rope comes out at the slightest force. Pointless tug toy!
Color: Four colors, Size: 6cm (with rope)
If your dog pulls on these (and why wouldn’t he?), the rope immediately comes out. Turns out they just fuse the ends of the nylon rope together, which is no match for a dog playing tug. Any dog, any level of pulling will dismantle these.
We’ve managed to reinsert the rope to a couple of these and KNOT it, which gives you a shorter rope but a toy that can withstand some play. But if I had wanted a DIY toy, I’d have used the balls and rope I already own.
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Reviewed in the United States on December 11, 2025