Your on the light side of having the recommended HP to run it.
You have 20.5 PTO HP.
View attachment 161451
I just look at the Kubota
Specifications & Capacities
RCR12 Series
Specifications & Capacities
Model Numbers RCR1242 RCR1248 RCR1260 RCR1272
Weight (With shear bolt
Recommended Tractor
Horsepower
18-40 hp
(13.4-29.8 kw)
20-60 hp
(14.9-44.7 kw)
25 -60 hp
(18.6-44.7 kw)
Power Take-Off Speed 540 rpm
Gearbox Rating Horsepower 60 hp (44.7 kw)
Gearbox (Speed up beveled