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  Wheel Loaders

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John Deere 344H Specifications

The John Deere 344H wheel loader driveline system components: 276 cu.in (4.5L) John Deere PowerTech 4045T 4-cylinder direct injection turbocharged diesel engine with a rated power of 98 hp (73 kW), and 2-range hydrostatic transmission. The hydraulic system has a gear pump with a rated capacity of 30.3 gal/min (115 l/min). The John Deere 344H is equipped with a power steering system, hydraulic dual disc brakes, and 17.5x25 standard tires. The wheel loader has a maximum lift height to hinge pin of 143.5" (3645 mm) and boom breakout force of 16630 lbs (7545 kg). The rated operating capacity is 5505 lbs (2495 kg), and tipping load is 11010 lbs (4990 kg).

Engine Model .................... John Deere PowerTech 4045T
Engine Type .................... Vertical in-line 4-cylinder turbocharged diesel
Number of Cylinders .................... Four
Displacement, cu.in (L) .................... 276 (4.52)
Cylinder Bore, in (mm) .................... 4.17 (106.0)
Piston Stroke, in (mm) .................... 5.00 (127.0)
Aspiration Type.................... Turbocharged
Rated Engine Power, hp (kW) .................... 98.0 (73.0)
Maximum Engine Power, hp (kW) .................... 102.0 (76.0)
Rated Engine Speed, rpm .................... 2350
Maximum Torque, Nm (lb-ft) .................... 395 (291)
Torque Speed, rpm .................... 1400
Slow Idle Speed, rpm .................... 1000
Fast Idle Speed, rpm .................... 2525
Firing Order .................... 1-3-4-2
Combustion System .................... Direct injection
Fuel System .................... Injection pump
Air Cleaner Type .................... Dry dual element
Lubrication System .................... Full pressure
Cooling System .................... Liquid-cooled
Fuel Tank Capacity, gal (L) .................... 36.9 (140.0)
Oil Capacity, qts (L) .................... 12.6 (12.0)
Coolant Capacity, qts (L) .................... 17.8 (17.0)
Electrical System Rating, Volts .................... 12
Charging System .................... Alternator
Alternator Rating, Amps .................... 65

Transmission Type .................... Hydrostatic, 2-range
Number of Forward Gears .................... 2
Number of Reverse Gears .................... 2
Forward Speed (Low Range), mph (kph) .................... 5.2 (8.3)
Forward Speed (High Range), mph (kph) .................... 17.9 (28.8)
Reverse Speed (Low Range), mph (kph) .................... 5.2 (8.3)
Reverse Speed (High Range), mph (kph) .................... 17.9 (28.8)

Drive System Type .................... Four-wheel drive (4WD)
Steering Configuration .................... Articulated frame
Steering System .................... Hydrostatic power
Service Brakes Type .................... Hydraulic dual disc
Front Tire Size (Std) .................... 17.5x25
Rear Tire Size (Std) .................... 17.5x25
Front Tire Size (Opt) .................... 15.5x25
Rear Tire Size (Opt) .................... 15.5x25

Hydraulic System Type .................... Open center
Hydraulic Pump Type .................... Gear
Pump Flow, gpm (Lpm) .................... 30.3 (115.0)
System Pressure, psi (Bar) .................... 3335 (230)
Hydraulic System Capacity, gal (L) .................... 17.2 (65.0)
Number of Valves .................... 3

Rated Operating Capacity (Straight, Bucket), lbs (kg) .................... 5960 (2705)
Rated Operating Capacity (Full Turn, Bucket), lbs (kg) .................... 5505 (2495)
Rated Operating Capacity (Straight, Forks), lbs (kg) .................... 4190 (1900)
Rated Operating Capacity (Full Turn, Forks), lbs (kg) .................... 3870 (1755)
Tipping Load (Straight, Bucket), lbs (kg) .................... 11920 (5410)
Tipping Load (Full Turn, Bucket), lbs (kg) .................... 11010 (4990)
Tipping Load (Straight, Forks), lbs (kg) .................... 8380 (3800)
Tipping Load (Full Turn, Forks), lbs (kg) .................... 7740 (3510)
Breakout Force (Bucket), lbs (kg) .................... 16630 (7545)

Maximum Lift Height (Bucket Hinge Pin), in (mm) .................... 143.5 (3645)
Maximum Lift Height (Forks), in (mm) .................... 135.6 (3445)
Height To Top Of Cab, in (mm) .................... 120.5 (3060)
Length With Bucket On Ground, in (mm) .................... 244.7 (6215)
Length With Forks On Ground, in (mm) .................... 272.4 (6920)
Width (Tread Center), in (mm) .................... 73.6 (1870)
Width (Over Tires), in (mm) .................... 92.1 (2340)
Wheel Base, in (mm) .................... 102.4 (2600)
Ground Clearance, in (mm) .................... 14.9 (378)
Articulation Angle, deg .................... 28
Working Width (Bucket), in (mm) .................... 95 (2410)
Heaped Capacity (Bucket), cu.ft (m3) .................... 70.6 (2.00)
Digging Depth (Bucket), in (mm) .................... 2.5 (63)
Digging Depth (Forks), in (mm) .................... 3.2 (82)
Rollback Angle At Ground (Bucket), deg .................... 45
Dump Angle At Full Height (Bucket), deg .................... 45
Dumping Height (Bucket), in (mm) .................... 110.8 (2815)
Reach At Full Height (Bucket Dumped), in (mm) .................... 32 (815)
Working Length (Forks), in (mm) .................... 54 (1370)
Clearance At Max Reach (Forks), in (mm) .................... 61.6 (1565)
Maximum Reach (Forks), in (mm) .................... 62 (1575)
Reach At Full Height (Forks), in (mm) .................... 26.2 (665)
Reach At Ground Level (Forks), in (mm) .................... 37.4 (950)
Turning Radius (w/Bucket), in (mm) .................... 177.4 (4505)
Operating Weight (Bucket), lbs (kg) .................... 16980 (7700)
Operating Weight (Forks), lbs (kg) .................... 16905 (7670)

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