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Massey Ferguson 50HX Backhoe Loader

The Massey Ferguson 50HX backhoe loader was manufactured between 1987 and 1997. The Massey Ferguson 50HX is fitted with a Perkins A4.248 four-stroke 4-cylinder liquid-cooled diesel engine rated at 77 hp (57.5 kW), and 4x4 power shuttle transmission with torque converter.

The maximum travel speed (forward or reverse): 17.6 mph (28.3 kph). The open center hydraulic system used a piston pump with fluid flow rate of 29.5 gal/min (111.6 l/min). The 2WD models are equipped with 11Lx16 front tires and 16.9x28 rear tires.

The 14.0x17.5 front tires and 19.5Lx24 rear tires are used for 4WD models. The wheelbase is 85.9" (2180 mm) for models with 2-wheel drive, or 85.7" (2170 mm) for models with 4-wheel drive.

The loader has a maximum lift height of 165.5" (4200 mm) at pin and bucket dump clearance of 108" (2740 mm). The lift capacity is 6017 lbs (2730 kg) at maximum height (bucket pin), and breakout force (bucket on ground) is 8838 lbs (4010 kg). The raising time is 4 sec from ground line to full height, and bucket dumping time is 1 sec. The loader is compatible with a 88" (2230 mm) bucket.

The MF 450 extendable backhoe operational data includes a bucket digging force of 10756 lbs (4880 kg), and dipperstick digging force of 7604 lbs (3450 kg). The max digging depth is 228" (5770 mm), and overall reach from swing pivot is 269.4" (6840 mm) at ground line. The backhoe is equipped with 16", 18", 24", 30" and 36" buckets.

Engine Model Perkins A4.248
Engine Type 4-Stroke, four-cylinder liquid-cooled diesel
Number of Cylinders 4
Displacement, cu in (L) 236 (4.10)
Engine Bore, in (mm) 3.98 (102.0)
Engine Stroke, in (mm) 5.00 (127.0)
Aspiration Naturally aspirated
Rated Engine Power, hp (kW) 77.0 (57.5)
Rated Engine Speed, rpm 2000
Maximum Torque, Nm (ft-lb) 286 (211)
Torque Speed, rpm 1400
Compression Ratio 16.0:1
Firing Order 1-3-4-2
Fuel System Injection pump
Combustion System Direct injection
Governor Mechanical
Air Cleaner Dry type
Intake Valve Clearance, in (mm) 0.012 (0.30)
Exhaust Valve Clearance, in (mm) 0.012 (0.30)
Fuel Tank Capacity, gal (L) 21.4 (81.0)
Oil Capacity, qts (L) 9.9 (9.4)
Coolant Capacity, qts (L) 16.7 (15.8)
Electrical System Rating, Volts 12
Charging System Alternator

Transmission Type Power Shuttle
Gearbox Type 4F/4R, power shuttle with torque converter
Number of Forward Gears 4
Number of Reverse Gears 4
Torque Converter Type Single stage
Oil Capacity, qts (L) 51.8 (49.0)
Maximum Forward Speed, mph (kph) 17.6 (28.3)
Maximum Reverse Speed, mph (kph) 17.6 (28.3)

Wheels and Tires
Drive Wheels 2WD/4WD
Steering Configuration Front steer
Steering System Hydrostatic power
Brakes Type Hydraulic wet disc
Front Tire Size (2WD) 11Lx16
Rear Tire Size (2WD) 16.9x28
Front Tire Size (4WD) 14.0x17.5
Rear Tire Size (4WD) 19.5Lx24
Front Tread, in (mm) 66-71 (1670-1800)
Rear Tread, in (mm) 68.2 (1730)

Hydraulic System
Hydraulic System Type Open Center
Hydraulic Pump Type Gear
Implement Pump Flow, gpm (Lpm) 29.5 (111.6)
Hydraulic Pressure, Bar (psi) 190.0 (2750)
Hydraulic Fluid Capacity, gal (L) 19.0 (72.0)

Dimensions and Weight
Wheelbase (2WD), in (mm) 85.9 (2180)
Wheelbase (4WD), in (mm) 85.7 (2170)
Length, in (mm) 304.5 (7730)
Height (Steering Wheel), in (mm) 81.8 (2070)
Height (ROPS), in (mm) 107.4 (2720)
Height (Cab), in (mm) 109.4 (2770)
Overall Width, in (mm) 88 (2230)
Ground Clearance, in (mm) 13.4 (340)
Total Weight, lb (kg) 14305 (6490)

Front End Loader
Maximum Lift Height (to Pin), in (mm) 165.5 (4200)
Clearance, Dumped Bucket, in (mm) 108 (2740)
Reach At Max. Lift Height, in (mm) 28 (710)
Dump Angle, deg 50
Rollback Angle, deg 48
Breakout Force (at Pin), lb (kg) 8838 (4010)
Lift Capacity To Max. Height (at Pin), lb (kg) 6017 (2730)
Bucket Width, in (mm) 88 (2230)
Raising Time to Full Height, sec 4.0
Bucket Dumping Time, sec 1.0
Lowering Time, sec 3.0

Backhoe Model MF 450 Extendable
Digging Depth, in (mm) 228 (5770)
2-ft Flat Digging Depth, in (mm) 230 (5840)
Reach from Swing Pivot, in (mm) 269.4 (6840)
Loading Height, in (mm) 171.5 (4350)
Swing Arc, deg 180
Bucket Rotation, deg 194
Transport Height, in (mm) 139.8 (3550)
Bucket Digging Force, lb (kg) 10756 (4880)
Dipperstick Digging Force, lb (kg) 7604 (3450)
Bucket Width, in (mm) 16 (305)
Bucket Width, in (mm) 18 (455)
Bucket Width, in (mm) 24 (605)
Bucket Width, in (mm) 30 (760)
Bucket Width, in (mm) 36 (910)



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