John Deere 304J Compact Loader User Manual


 
PAGES
14–15
Engine 304J
Manufacturer and Model . . . . . . . . . . . . . . . . . . .John Deere PowerTech
TM
5030T
Non-Road Emission Standards . . . . . . . . . . . . . . .certified to EPA Tier 3 emissions
Cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Valves per Cylinder . . . . . . . . . . . . . . . . . . . . . . .2
Displacement . . . . . . . . . . . . . . . . . . . . . . . . . . . .184 cu. in. (2.9 L)
Net Rated Power @ 2,800 rpm, SAE . . . . . . . . . .73 hp (54 kW)
Net Peak Power @ 2,800 rpm, SAE . . . . . . . . . . .75 hp (56 kW)
Maximum Net Torque @ 1,500 rpm . . . . . . . . . . .195 lb.-ft. (265 Nm)
Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .pressure system with full-flow spin-on filter
Fuel System . . . . . . . . . . . . . . . . . . . . . . . . . . . . .electronically controlled unit injection pump
Aspiration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .turbocharged
Air Cleaner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .dual safety element dry type
Cooling
Hydraulically driven, proportionally controlled fan
Engine Coolant Rating . . . . . . . . . . . . . . . . . . . . .–34 deg. F (–37 deg. C)
Powertrain
Hydrostatic (HST) with infinitely variable speed control over full range of operating speeds; two speed ranges; joystick-mounted F-N-R; acceleration pedal; HST inching pedal, which
allows infinitely reduced travel speeds while maintaining full engine rpm and hydraulic flow
Two Travel Speeds In Forward and Reverse
(equipped with 405/70R20 tires)
Gear 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.3 mph (6.9 km/h)
Gear 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18.6 mph (29.9 km/h)
Axles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .rear center-pivot axle with 10-deg. rear axle oscillation and 10-deg. frame oscillation
Rear Axle Oscillation Versus Front Axle . . . . .20 deg. total, stop to stop
Differentials . . . . . . . . . . . . . . . . . . . . . . . . . . . .manual (push-button) locking front, conventional rear
Maximum Rise and Fall, Single Wheel . . . . . .11 in. (290 mm)
Steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .hydraulic power steering (SAE J1511); 26-deg. rear-wheel steering tied mechanically to articulation; equivalent of 97-deg. conventional
steering system articulation
Articulation Angle . . . . . . . . . . . . . . . . . . . . .56-deg. arc (28 deg. each direction)
Final Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . .heavy-duty outboard planetary
Brakes (SAE J1473 and ISO 3450)
Service Brakes . . . . . . . . . . . . . . . . . . . . . . .hydraulically actuated, self-adjusting internal wet-disc brake and driveline drum brake
Parking Brake . . . . . . . . . . . . . . . . . . . . . . . .automatically spring-applied, hydraulically released, internal wet disc
Hydraulics
Main Pump (loader and steering) . . . . . . . . . . . . .fixed-displacement gear pump; open-center system
Maximum Rated Flow @ 1,000 psi (6895 kPa) . . . .25 gpm (95 L/m)
System Relief Pressure (loader and steering) . . . .2,750 psi (18 961 kPa)
Hydraulic Cycle Times
Raise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5.3 sec.
Dump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.6 sec.
Lower
Float Down . . . . . . . . . . . . . . . . . . . . . . .4.5 sec.
Power Down . . . . . . . . . . . . . . . . . . . . . .6.3 sec.
Total . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13.2 sec.
Maximum Lift Capacity . . . . . . . . . . . . . . . . . . .with 1.4-cu.-yd. (1.1 m
3
) stockpiling/general-purpose bucket with bolt-on cutting edge
Lift at Ground Level . . . . . . . . . . . . . . . . . . . .12,136 lb. (5510 kg)
Lift at Maximum Height . . . . . . . . . . . . . . . . .7,868 lb. (3572 kg)
Turning Radius
Measured to Centerline of Outside Tire . . . . .12 ft. 5 in. (3.78 m)
Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .pilot-operated, 3-function valve with single-lever control for boom and bucket, and auxiliary level for standard pin disconnect and
auxiliary hydraulics, with control-lever lockout feature; optional additional 4-function valve with push-button control
Specifications
Specifications
Specifications
M
S
Vertis QCA
1300 19th Street, Suite 200
East Moline, IL 61244
Cyan
Magenta
Yellow Black
DKA304J Page 14