SportDOG Global

FieldTrainer® 425S

SKU# SD-425S

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FieldTrainer® 425S

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  • FieldTrainer® 425S
  • FieldTrainer® 425S

FieldTrainer 425S Stubborn Dog Model

The FieldTrainer® 425S takes the most advanced, industry-leading technology that SportDOG™ Brand has ever built into its e-collars and packaged it up in the most compact system ever offered. Designed specifically for tougher, more stubborn dogs, the 425S has a higher range of stimulation than the SD-425. The 425 series is ideal for training in the yard, field, or for hunting with close-working dogs. Switch instantly between stimulation, vibration, and tone to fit the correction or communication to your dog’s temperament and learning ability. This new 425S Model is an upgraded replacement for the FieldTrainer 400S.

Manuals & Support


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  • Remote Transmitter
  • Collar Receiver
  • Lanyard
  • Basic Training Manual & DVD
  • Operating Guide
  • Charging Adaptor
  • Test Light
Dog Size 8 pounds or larger
Dog Temperament Stubborn
Continuous Stimulation 7 levels
Momentary Stimulation 7 levels
Beeper Compatibility Compatible with UplandHunter® Accessory Beeper SD-BEEP
Tone/Vibration Options Instantly select stimulation, vibration, or tone
Modes Of Operation 7
Range Up to 500 yards
Expandable System Expandable up to 3 dogs
Waterproof DRYTEK waterproof and submersible to 25 feet
Neck Size 5" - 22"
Battery Type Rechargeable Li-Ion
Battery Charge Time 2-hour quick charge
Part Numbers FT-125, SDT54-13889, SDT00-13857, SDT00-13861, SR-225

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Customer Reviews

Review by Tami

(Posted on 4/18/15)


Finally found the right collar
Our Great Danes are quite stubborn on when they wish to listen and when they don't want to. This collar finally makes them listen, yet have freedom to play in our yard!

Review by Jackie Atkerson

(Posted on 3/4/15)


Love it!!!
We have had the 425s for almost a year now, and we love it. We have had a few warranty issues but they were taken care of quickly and without a problem. I couldn't ask for a better customer service/warranty team, that is very hard to find these days. Thanks Sport Dog for your great products.

Review by Brian

(Posted on 2/18/15)


7yr pit. well broke, but wife has cats!
Recently got the collar to help ease her into a cats home, after the initial chase after the cat, w her first level 7 stimulation it STOPPED her in her tracks! She turned right around to come back to me. Also helps keep outta neighboring yards, even though she don't go on the road still gives me rest to know if another animal takes off and she chases w a car coming that I can stop her if I have the chance. she likes to play at the creek DOES ANYONE KNOW HOW LONG THE COLLAR CAN TAKE ON WATER, HOW LONG IT CAN SAFELY B SUBMERGED? ALSO DOES WARRENTY COVER WATER DAMAGE? DOES MOD:SDT00-13857 HAVE A BATTERY PACK ONLY OR CAN IT USE JUST BATTERIES?

SPORTODG RESPONSE: This system is fully submersible in water up to 25 feet. You will have absolutely no problem with the dog being in water for any length of time. We have a battery pack for it.

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