Model Number

DL503/DL303

Main feature

Doosan DL503/303 loader has comfort space to drive to make driver and loader to be one. Its  Formidable power engine with driving outbreak force can meet all kinds of needs about working in execrable operating condition.

l  Excellent performance in cooling, be able to work continually with heavy load for a long time.

l  Convenient and comfortable operating condition and low noise to alleviate driver’s fatigue.

l  After strict experiment for its wear and applications of top technology, its failure rate is very small.

l  Its devise is very reasonable, transfers the loader’s center of gravity to the back wheel axle to improve the stability of the loader.

l  Its turning angle is devised as 40 degree to make the turning radius smaller to meet the needs about working in limited operating site.

Specification of whole machine

Overall Dimension		DL503	DL303
1	Length (with bucket on ground)（A）	8080 mm	6900 mm
2	Width (to outside of wheels)(W1)	2990 mm	2515 mm
3	Height (To the top of the cab)(D)	3450 mm	3280 mm
4	Wheel base(B)	3200 mm	2830 mm
5	Tread(W2)	2150 mm	1850 mm
6	Min. ground clearance(C)	450 mm	340 mm
Main Technical Specification
1	Rated load	5000 kg	3000 kg
2	Operating weight	169000 kg	103000 kg
3	Rated bucket capacity	3(m3)	1.7(m3)
4	Max. breakout force	220 KN
5	Max. Driving force	222 KN
6	Max. dump clearance（F）	3180 mm	2910 mm
7	Dump reach(E)	1110 mm	1080 mm
8	Dump angle at any position (a1,a2)	47/44/45 deg	45/42/47 deg
9	Min. turning radius	6710mm	5710mm
10	Lifting time of bucket	5.9 (sec.)	5.3 (sec.)
11	Lowering time of bucket	4.2 (sec.)	3.6 (sec.)
12	Dumping time	1.2 (sec.)	1.0 (sec.)
13	Traveling speed (km/h)
	Max forward	38	36
	Max reverse	17	27
Diesel engine
1	Model	WD615	YC4108G
2	Rated output	162 (kW)	92 Kw
3	Rated speed	2200 (r/min.)	2200 (r/min.)
4	Max. Torque	87/1400 (kg.m/rpm)	47.2/1400 (kg.m/rpm)
5	Starting type	Electric	Electric
Gear box
1	Type	Planetary power shift	Fixed shaft. Power shift
2	Gear shift position	2Forward and 1reverse gears	4 Forward and 2 reverse gears
Brake System
1	FOOT PARKING BRAKE	Air over hydraulic disc	Air over hydraulic disc
2	PARKING TYPE	CABLE CONTROL DISC	CABLE CONTROL DISC
Size of tyres		23.5-25 -16PR (L-3)	17.5-25 -16PR (L-3