John Deere 495D - Manual

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495D EXCAVATOR 26,184 lb (11 877 kg)
Transport Height.......................................................7 ft 5 in. (2.25 m)
Transport Length ......................................................23 ft 3 in. (7.08 m)
Machine Width ..........................................................9 ft 6 in. (2.89 m)
ENGINE......................................................................John Deere 300 Series
Number of Cylinders and Displacement .............................. 4 cylinders, 276 cu in. (4.5 L)
Air Intake System................................................................. Turbocharged
Bore and Stroke................................................................... 4.19 x 5.00 in. (106.4 x 127 mm)
Compression Ratio .............................................................. 17.2 to 1
Net hp:
At 2100 rpm (Dig Mode) ............................................... 95 SAE hp (71 kW)
At 2300 rpm (Travel Mode)........................................... 100 SAE hp (75 kW)
Maximum Torque at 1300 rpm............................................. 284 lb-ft (385 N•m)
Nozzle Opening Pressure:
New .............................................................................. 3820 ± 40 psi (26 340 ± 275 kPa)
Used ............................................................................. 3620 ± 40 psi (25 000 ± 275 kPa)
Valve Clearance (Cold):
Intake............................................................................ 0.014 in. (0.36 mm)
Exhaust ........................................................................ 0.018 in. (0.46 mm)
Oil Pressure at Fast Idle ...................................................... 50 ± 15 psi (345 ± 100 kPa)
Static Injection Pump Static Timing...................................... Line on governor weight retainer aligned with line on cam
ring with No. 1 piston at TDC
Dynamic Injection Pump Timing at
Rated Load rpm*:
4276D:
Dig Mode ......................................... NA
Travel Mode..................................... 16 + 0 - 1° BTDC
4045D:
Dig Mode ......................................... NA
Travel Mode..................................... 16 + 0 - 1° BTDC
Speeds:
Slow Idle....................................................................... 1000 ± 25 rpm
Fast Idle (Propel Mode)................................................ 2475—2500 rpm
Rated Full Load (Dig Mode) ......................................... 2300 + 25 - 50 rpm
Rated Full Load (Travel Mode)..................................... 2300 rpm
Turbocharged Boost Pressure
at Rated Full Load
(Minimum w/4045T Metric Engine).................................. 9 psi (62 kPa)
Cylinder Pressure (Compression Min)................................. 350 psi (2415 kPa)
Number of Flywheel Teeth................................................... 129
Electrical System ................................................................. 24 volt
Alternator ............................................................................. 42 amp
Cooling System Pressure .................................................... 10 psi (69 kPa)
Note: *For latest information, see Dealer Technical Assistance Center (DTAC) Solution K000413.
POWER TRAIN
Transmission ....................................................................... Constant mesh with high and low speed ranges.
Pressurized lubrication system.
Travel Motor......................................................................... A bent axis, axial piston variable displacement motor.
Travel Brake ........................................................................ Air over hydraulic shoe type brakes in each wheel.
Park Brake........................................................................... Air actuated drum type on transmission output shaft.