RM-81 Agena
Versions
Three versions of the Agena were flown:

RM-81 Agena

Section Title: Versions
Table Section Text: Three versions of the Agena were flown:

Variant	Engine	Thrust	Burn time	Rockets	number of launches

Agena-A	Bell 8048	69 kN	120 seconds	Atlas, Thor	20

Agena-B	Bell 8081	71 kN	240 seconds	Atlas, Thor	76

Agena-D	Bell 8096 (Bell 8247 on Agena Target Vehicle)	71 kN	265 seconds	Atlas, Thor, Thorad, Titan IIIB	269

Sentence(s)

RM-81 Agena was equipped with a Bell 8081 engine, which generates 71 kilonewtons of thrust.

final_sentence: RM-81 Agena was equipped with a Bell 8081 engine, which generates 71 kilonewtons of thrust.