Retired MTA Regional Bus Operations bus fleet
Buses ordered before 1959

Year
Builder and model name
Length and Width
Numbers (preserved numbers)
Picture
Notes
1946
General Motors TDH-4507
35 ft (10.67 m) • 96 in (2.44 m)
1836–1845, 2260–2349
-
Former operators: 1000-series & 2700-series: New York City Omnibus 2260-2349: Fifth Avenue Coach and Surface Transportation, Inc. 2000-2261: NYC Board of Transportation
1947
General Motors TDH-4507
35 ft (10.67 m) • 96 in (2.44 m)
1846–1886
-
Former operators: 1000-series & 2700-series: New York City Omnibus 2260-2349: Fifth Avenue Coach and Surface Transportation, Inc. 2000-2261: NYC Board of Transportation
1948
General Motors TDH-4507
35 ft (10.67 m) • 96 in (2.44 m)
1887–2129, 2200–2259, 2700–2736
-
Former operators: 1000-series & 2700-series: New York City Omnibus 2260-2349: Fifth Avenue Coach and Surface Transportation, Inc. 2000-2261: NYC Board of Transportation
1948
General Motors TDH-4510
35 ft (10.67 m) • 102 in (2.59 m)
4400-4499
-
Purchased by NYC Board of Transportation from orders cancelled by other cities. Last production transit buses ordered for transportation in New York City shorter than 40 feet.
1948
General Motors TDH-5101
40 ft (12.19 m) • 96 in (2.44 m)
4500-4899 (4789)
-
First 40 ft (12.19 m) transit buses manufactured by General Motors, and first 40 ft (12.19 m) transit buses in New York City.
1949
General Motors TDH-5102
40 ft (12.19 m) • 96 in (2.44 m)
2501
-
Purchased by Fifth Avenue Coach and Surface Transportation Inc. 2501 was a demonstrator unit.
1952
General Motors TDH-5104
40 ft (12.19 m) • 96 in (2.44 m)
2502–2551
-
Purchased by Fifth Avenue Coach and Surface Transportation Inc. 2501 was a demonstrator unit.
1953
General Motors TDH-5104
40 ft (12.19 m) • 96 in (2.44 m)
2552–2561
-
Purchased by Fifth Avenue Coach and Surface Transportation Inc. 2501 was a demonstrator unit.
1954
General Motors TDH-5106
40 ft (12.19 m) • 96 in (2.44 m)
2562–2591
-
2000-series & 3100 purchased by Fifth Avenue Coach and Surface Transportation, Inc. 3100 was one of two air-conditioned demo buses built in and purchased in 1956 (the other was a TDH-5105 that eventually went to New Orleans).
1956
General Motors TDH-5106
40 ft (12.19 m) • 96 in (2.44 m)
3100 (preserved)
-
2000-series & 3100 purchased by Fifth Avenue Coach and Surface Transportation, Inc. 3100 was one of two air-conditioned demo buses built in and purchased in 1956 (the other was a TDH-5105 that eventually went to New Orleans).
1957
General Motors TDH-5106
40 ft (12.19 m) • 96 in (2.44 m)
7000-7208 (7144)
-
2000-series & 3100 purchased by Fifth Avenue Coach and Surface Transportation, Inc. 3100 was one of two air-conditioned demo buses built in and purchased in 1956 (the other was a TDH-5105 that eventually went to New Orleans).
1958
General Motors TDH-5106
40 ft (12.19 m) • 96 in (2.44 m)
2605–2644, 9000-9120 (9098)
-
2000-series & 3100 purchased by Fifth Avenue Coach and Surface Transportation, Inc. 3100 was one of two air-conditioned demo buses built in and purchased in 1956 (the other was a TDH-5105 that eventually went to New Orleans).
1959
General Motors TDH-5106
40 ft (12.19 m) • 96 in (2.44 m)
2645–2694
-
2000-series & 3100 purchased by Fifth Avenue Coach and Surface Transportation, Inc. 3100 was one of two air-conditioned demo buses built in and purchased in 1956 (the other was a TDH-5105 that eventually went to New Orleans).
1954
Mack C-49-DT
40 ft (12.19 m) • 96 in (2.44 m)
2990–2999
-
2962-3009 purchased by Fifth Avenue Coach and Surface Transportation, Inc.
1956
Mack C-49-DT
40 ft (12.19 m) • 96 in (2.44 m)
2962–2989, 6000-6317 (6259)
-
2962-3009 purchased by Fifth Avenue Coach and Surface Transportation, Inc.
1958
Mack C-49-DT
40 ft (12.19 m) • 96 in (2.44 m)
3000-3009
-
2962-3009 purchased by Fifth Avenue Coach and Surface Transportation, Inc.

Question: How long were retired MTA buses and what kind of transmission engine did they have?
Answer: Retired MTA Regional buses were about 40 ft (12.19 m) long and 102 in (2.59 m) wide, and were equipped with GM 6V71 Allison hydraulic transmission engine.