Challenger Drilling Motors

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Benefits & Features

All Challenger Drilling Motors are equipped with a rotor catch
Drilling Motors can be equipped with float top sub or dump sub
High allowable WOB and back reaming forces
Equipped with 0 – 3° Adjustable Housings
Screw on Stabilizer’s available

Shorter bit to bend for more predictable build rates
Stronger bearing mandrel for use with high torque power sections
Challenger Drilling Motors can be equipped with Fixed bent Housings
If Required Motors can be assembled with Locking Compounds

Imperial

Nominal OD	Bit Box to Bend	Hole Size	Standard Bit Box Thread	Max WOB	Max Pull While Back Reaming	Overpull	Adjustable Torque Left Hand	Stabilizer Torque
3 1/2"	3.07 feet	4 1/4" – 5 7/8"	2 7/8 Reg	18,500 lbs	30,900 lbs	226,000 lbs	3,500 ft lbs	2,200 ft lbs
4 3/4 – 5"	5.02 feet	5 7/8" – 7 7/8"	3 1/2 Reg	53,300 lbs	52,400 lbs	515,000 lbs	10,000 ft lbs	6,000 ft lbs
6 1/2"	5.57 feet	7 7/8" – 9 7/8"	4 1/2 Reg	90,200 lbs	50,500 lbs	780,000 lbs	30,000 ft lbs	12,000 ft lbs
8"	6.75 feet	9 5/8" – 12 1/4"	6 5/8 Reg	105,000 lbs	175,000 lbs	1,116,000 lbs	40,000 ft lbs	35,000 ft lbs
9 1/2"	9.25 feet	12 1/4" – 17 1/2"	6 5/8 Reg	190,000 lbs	136,600 lbs	1,208,900 lbs	60,000 ft lbs	40,000 ft lbs

Metric

Nominal OD	Bit Box to Bend	Hole Size	Standard Bit Box Thread	Max WOB	Max Pull While Back Reaming	Overpull	Adjustable Torque Left Hand	Stabilizer Torque
89 mm	0.9 m	108 – 149mm	2 7/8 Reg	8,200 daN	13,700 daN	100,500 daN	4,750 Nm	2,980 Nm
121 – 127 mm	1.5 m	149 – 200mm	3 1/2 Reg	23,700 daN	23,300 daN	229,100 daN	13,560 Nm	8,315 Nm
165 mm	1.7 m	200 – 251mm	4 1/2 Reg	40,100 daN	22,500 daN	346,900 daN	40,680 Nm	16,270 Nm
203 mm	2.1 m	245 – 311mm	6 5/8 Reg	46,700 daN	77,800 daN	496,400 daN	54,240 Nm	47,460 Nm
241 mm	2.8 m	311 – 445mm	6 5/8 Reg	84,500 daN	60,800 daN	537,700 daN	81,360 Nm	54,240 Nm