Doosan A2300 - Cooling System

A Series Diesel Engine Specifications 229
Cooling System
Coolant Capacity (Engine Only)
- A2000, and A2300 3 liters [3.2 qt]
Standard Modulating Thermostat - Range 71 - 85°C [160 - 185°F]
Maximum Allowable Operating Temperature 100°C [212°F]
Minimum Recommended Operating Temperature 71°C [160°F]
Minimum Recommended Pressure Cap 48 kPa [7 psi]
Air Intake System
Maximum Intake Air Restriction
- Dirty Filter 635 mm-H2O [25 in-H2O]
- Clean Filter 254 mm-H2O [10 in-H2O]
Minimum Dirt Holding Capacity 25 g/cfm
Exhaust System
Maximum Allowable Exhaust Restriction
- A2000, and A2300 75 mm-Hg [3 in-Hg]
Electrical System
Recommended Battery Capacity
- A2000, and A2300
- 12 Volt Battery with Light Accessories 500 Cold Cranking Amps
- 12 Volt Battery with Heavy Accessories 650 Cold Cranking Amps
- 24 Volt Battery with Light Accessories 250 Cold Cranking Amps
- 24 Volt Battery with Heavy Accessories 325 Cold Cranking Amps
Maximum 12 Volt Starting System Resistance 0.001 ohm
Maximum 24 Volt Starting System Resistance 0.002 ohm
Minimum Cranking Speed 180 rpm
Drive Belt Tension
Belt Size Belt Tension Gauge Part No. Belt Tension New Belt Tension Range Used*
Click-type Burroughs N lbf N lbf
0.380 in 3822524 620 140 270 to 490 60 to 110
0.440 in 3822524 620 140 270 to 490 60 to 110
1/2 in 3822524 ST-1138 620 140 270 to 490 60 to 110
11/16 in 3822524 ST-1138 620 140 270 to 490 60 to 110
3/4 in 3822524 ST-1138 620 140 270 to 490 60 to 110
7/8 in 3822524 ST-1138 620 140 270 to 490 60 to 110
4 rib 3822524 ST-1138 620 140 270 to 490 60 to 110
5 rib 3822524 ST-1138 670 150 270 to 530 60 to 120
6 rib 3822525 ST-1293 710 160 290 to 580 65 to 130
8 rib 3822525 ST-1293 890 200 360 to 710 80 to 160
10 rib 3822525 3823138 1110 250 440 to 890 100 to 200
12 rib 3822525 3823138 1330 300 530 to 1070 120 to 240
12 rib K section 3822525 3823138 1330 300 890 to 1070 200 to 240
Note : This chart does not apply to automatic belt tensioners.
* A belt is considered used if it has been in service for ten minutes or longer.
* If used belt tension is less than the minimum value, tighten the belt to the maximum used belt value.