New Holland
TT-A Series Tractor Specifications
TT45A TT50A TT60A TT75A
MODEL
TT45A
TT50A
TT60A
TT75A
ENGINE†
Type ...................................................................................................................................................4-cycle, diesel ...................................................................................................
Number of cylinders / Aspiration
Displacement, cu. in. (L)
Gross engine horsepower, HP (kW)
PTO horsepower, HP (kW)
Rated speed (RPM)
Fuel type ...........................................................B5 Biodiesel (meeting ASTM 6751 standards)..............
and/or standard diesel fuels
4 / NA
121.7 (2.0)
40 (28.8)
35 (26.1)
2,600
4 / NA
135.2 (2.2)
48 (35.8)
42 (31.3)
2,800
3 / NA
179 (2.9)
56 (41.7)
47 (35)
4 / NA
238 (3.9)
75 (56)
62 (46.3)
............................................. 2,500..................................................
.............B20 Biodiesel (meeting ASTM 6751 standards) .................
and/or standard diesel fuels
Air filter..................................................................................Dual element, dry type with cleanable outer element and replaceable inner safety element.......................................
Lubrication..........................................................................................Full flow, pressure lubrication with vertical mount spin-on filter cartridge ....................................................
Oil & filter change interval ............................................................100 hours ..........................................
..........................................300 hours...............................................
Starting aid..........................................................................................................................................Thermostart.....................................................................................................
Throttle....................................................................................................................................Hand and/or foot controlled ........................................................................................
Exhaust....................................................................................................................Under hood muffler w/ horizontal exhaust pipe .........................................................................
Emissionization standard .........................................................................................................................Tier-II..........................................................................................................
Fuel tank capacity, gal. (L).............................................................13.4 (51)...........................................
...........................................16.4 (62)................................................
TRANSMISSION
Base on Standard tractor...................8F x 2R with 4 constant mesh gears and 2 constant mesh ranges
8F x 2R with 4 (2 synchronized) gears and 2 constant mesh ranges
Traction clutch, in. (mm)................................................................................................Dry, 11 (279.4) diameter organic plate................................................................................
Ground speed*, mph (k/hr)....................................................................Forward - 1.9 to 19.0 (3 to 30.5), Reverse - 2.6 to 9.5 (4.1 to 15.3)
Final drive / rear axle...........................................................................................................Outboard bull gear / Flange axle.....................................................................................
Rear differential lock.........................................................................................................Mechanical foot pedal engagement...................................................................................
Service brakes .............................................................................................................Individual mechanically actuated wet disc .............................................................................
Parking brake........................................................................................................Engage hand-lever, press brakes to engage brakes ......................................................................
HYDRAULICS
System type ...............................................................................................................Open center, fixed displacement gear pump............................................................................
System pressure, psi (bar)..........................................................2,538 (175).........................................
Implement pump capacity, gpm (L/min)........................................9.8 (37)............................................
Steering & services system, gpm (L/min) ......................Hydrostatic power steering.............................
w/dedicated gear pump - 7.4 (28)
.........................................2,755 (190)..............................................
.........................................10.8 (40.5)..............................................
.............................Hydrostatic power steering .................................
w/dedicated gear pump - 8.5 (32)
Total maximum tractor flow, gpm (L/min) ....................................17.2 (65)...........................................
.........................................19.3 (72.5)..............................................
Remote valves - standard.........................................................................................................................None ..........................................................................................................
Remote valves - optional ......................................................................................1 to 2 open center, rear mounted, lever controlled.......................................................................
2 valve open center loader control valve, joystick controlled
3-POINT HITCH
Rear.......................................................................................................................................................Standard .......................................................................................................
Category ....................................................................................................................II, convertible to I with interchangeable balls...........................................................................
Position control / draft sensing..........................One lever position control / No draft control ...............
..........One lever position control / Optional draft control,...............
top link sensing
Lower link ends ........................................................................................................................................Fixed ..........................................................................................................
Stabilizers...........................................................................................................................................Check Chains....................................................................................................
Lift capacity (OECD @ ball ends), lbs. (kg) ................................2,550 (1160)........................................
2,930 (1332)
3,410 (1546)
PTO
Rear ................................................................................................................................Standard, w/ flip-up PTO shaft guard.................................................................................
Clutch type......................................................................................................................Independent, 11-in. organic plate, dry ................................................................................
Engagement ......................................................................................................................One lever, mechanical engagement...................................................................................
Speed.....................................................................................................................................................540 RPM.......................................................................................................
Engine speed with PTO at 540 RPM ................................................2,555..............................................
..............................................1,967 ..................................................
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