That's the one as I recall.
But the motor home transmissions have park........mine was a three speed auto with no park and a drum brake on the back of the trans for a parking brake.
It never gave me any problems so I never had to buy parts for it......the trans , that is.
The motor liked to crack exhaust manifolds every four or five years and center dumps were getting hard to find.
Other than that , it ran like a Thoroughbred for seven or eight years.
I bought it from a small town fire department with 20,000 miles on it in 1985........it was their rescue squad and most of the miles were just to make sure it ran.