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LS MT122 Technical Data

LS MT122 Engine

Engine Model .................... Yanmar 3TNV76F
Engine Type .................... Vertical Inline 3-cylinder indirect injection diesel
Number of Cylinders .................... 3
Engine Bore, in (mm) .................... 2.99 (76.0)
Engine Stroke, in (mm) .................... 3.23 (82.0)
Displacement, cu.in (L) .................... 68.03 (1.115)
Aspiration .................... Natural
Rated Engine Power, hp (kW) .................... 21.5 (16.0)
Rated Engine Speed, rpm .................... 3000
High Idle Speed, rpm .................... 3210±25
Firing Order .................... 1-3-2
Compression Ratio .................... 23.5:1
Direction of Rotation .................... Counterclockwise (viewed from flywheel side)
Fuel Injection Pump .................... Mechanical, in-line type
Fuel Filter .................... Replaceable element
Air Cleaner .................... Replaceable paper elements
Lubricating System .................... Forced lubrication with trochoid pump
Oil Filter .................... Spin on filter
Cooling System .................... Liquid-cooled with radiator
Valve Clearance, in (mm) .................... 0.006-0.010 (0.15-0.25)
Fuel Tank Capacity, gal (L) .................... 6.6 (25.0)
Engine Oil capacity, qts (L) .................... 3.6 (3.4)
Coolant Capacity, qts (L) .................... 5.2 (5.0)
Electrical System Rating, Volts .................... 12
Starting System .................... Electric starting
Charging System .................... Alternator
Alternator Rating, Amps .................... DC12V, 40A

Power Take Off

PTO Horsepower, hp (kW) .................... 15.0 (11.2)
Rear PTO Operational Type .................... Independent
Mid PTO Operational Type .................... Independent
Rear PTO Speed, rpm .................... 540
Mid PTO Speed, rpm .................... 2500

LS MT122 Transmission

Transmission Type .................... Hydrostatic
Number of Forward Gears .................... Infinite (2-range)
Number of Reverse Gears .................... Infinite (2-range)
Maximum Forward Speed, mph (kph) .................... 9.1 (14.6)
Maximum Reverse Speed, mph (kph) .................... 9.1 (14.6)

Wheels and Tires

Drive Wheels .................... 4WD 4x4
Steering Configuration .................... Front steer
Steering System .................... Hydrostatic power
Brakes Type .................... Wet disc
Front Tire Size (Turf) .................... 18x8.5-10
Rear Tire Size (Turf) .................... 26x12.0-12

Hydraulic System

Hydraulic System Type .................... Open center
Implement Pump Type .................... Gear
Implement Pump Flow, gpm (Lpm) .................... 4.6 (17.5)
Steering Pump Flow, gpm (Lpm) .................... 2.1 (7.9)
3-Point Hitch Category .................... 1
Draft Sensing or Lift Control .................... Position control
Lift Capacity at 24" (610mm) behind pin, lb (kg) .................... 728 (330)
Lift Capacity at lift pin, lb (kg) .................... 970 (440)

Dimensions and Weight

Wheelbase, in (mm) .................... 56 (1420)
Length, in (mm) .................... 97 (2460)
Height (ROPS), in (mm) .................... 87 (2200)
Overall Width, in (mm) .................... 47 (1190)
Weight, lb (kg) .................... 1430 (650)

LS MT122 Attachments

60" Mower Deck

Mower Deck Model .................... LS LM1160
Mower Deck Type .................... Mid-mount
Number of Blades .................... 3
Cutting Width, in (mm) .................... 60 (1520)
Overall Width, in (mm) .................... 75.6 (1920)
Cutting Height, in (mm) .................... 1.0-4.0 (25-102)
Weight, lb (kg) .................... 284.4 (129)

Front End Loader

Loader Model .................... LS LL1101
Maximum Lift Height (to pin), in (mm) .................... 72 (1820)
Clearance, Dumped Bucket, in (mm) .................... 48.8 (1230)
Dump Reach, in (mm) .................... 25.2 (640)
Dump Angle, deg .................... 46
Rollback Angle, deg .................... 28
Lift Capacity to Full Height (at pin), lb (kg) .................... 966 (438)
Breakout Force (at pin), lb (kg) .................... 2039 (925)
Bucket Width, in (mm) .................... 50 (1270)
Loader Weight, lb (kg) .................... 364 (165)

Backhoe

Backhoe Model .................... LS LB1107
Digging Depth, in (mm) .................... 77.8 (1970)
Reach from Swing Pivot, in (mm) .................... 144.9 (3680)
Loading Height, in (mm) .................... 59.6 (1510)
Swing Arc, deg .................... 140
Bucket Rotation, deg .................... 169
Transport Height, in (mm) .................... 74.7 (1890)
Bucket Digging Force, lb (kg) .................... 2097 (950)
Backhoe Weight, lb (kg) .................... 873 (395)