Model NumberBore & StrokeDisplacementCylindersCompression ratioGovernor MethodFuel TypeAspirationEmission StandardDry Weight

Weichai America Corp. 3100 Golf Road Rolling Meadows, IL 60008 Phone: 1-847-725-0300www.weichaiamerica.com

1800 RPMHP321

kW240

HP174

kW130

PROPANENATURAL GAS

POWER RATINGS (PRIME)

84.6 in / 2,150 mm

53.5 in1,359 mm

44.7 in / 1,136 mm

FEATURESEngine & Block• Cast Iron Block• One-piece forged crankshaft• Separate cast iron cylinder heads and replaceable dry cylinder liners• Forged Connecting Rod

Cooling System• Radiator and hoses supplied separately• Thermostatically-controlled system with belt driven water pump and Pusher/Puller fan

Lubrication System• Flat bottom high capacity oil pan (36 L)• Spin-on full-flow oil filter• Maintenance free breather system

Engine Control System• Proven ECM, Fuel System and Engine Control• Engine Protection• CANBUS J1939 Standard Interface• Telematics Compatibility

Air Intake & Exhaust System• Rear Mounted, Replaceable Dry Air Cleaner • Air Cleaner Restriction Indicator

Electrical System• 24V electric starter motors • Optional low voltage battery charging alternator

FLywheel & Housing• SAE 1/SAE 3 flywheel housing and 11.5/14” flywheel

12.5-LITER ENGINE DATA

WP13GTA5.0 in x 6.5 in (127 mm x 165 mm)

765 cid (12,540 cc)6

9.7:1ECM

Natural Gas / PropaneTA

EPA Certified2,337 lb (1,060 kg)

12.5LTA IRRIGATION321 HP @1800 rpm – NG

Document Courtesy of Fly Parts Guy Co.www.FlyPartsGuy.com

Document Courtesy of Fly Parts Guy Co.www.FlyPartsGuy.com

Document Courtesy of Fly Parts Guy Co.www.FlyPartsGuy.com

Document Courtesy of Fly Parts Guy Co.www.FlyPartsGuy.com

Document Courtesy of Fly Parts Guy Co.www.FlyPartsGuy.com

Document Courtesy of Fly Parts Guy Co.www.FlyPartsGuy.com

6FEATURES

Engine & Block• Cast Iron Block• One-piece forged crankshaft• Separate cast iron cylinder heads and replaceable dry cylinder liners• Forged Connecting Rod

Cooling System• Radiator and hoses supplied separately• Thermostatically-controlled system with belt driven water pump and Pusher/Puller fan

Lubrication System• Flat bottom high capacity oil pan (36 L)• Spin-on full-flow oil filter• Maintenance free breather system

Engine Control System• Proven ECM, Fuel System and Engine Control• Engine Protection• CANBUS J1939 Standard Interface• Telematics Compatibility

Air Intake & Exhaust System• Rear Mounted, Replaceable Dry Air Cleaner• Air Cleaner Restriction Indicator

Electrical System• 24V electric starter motors• Optional low voltage battery charging alternator

FLywheel & Housing• SAE 1/SAE 3 flywheel housing and 11.5/14” flywheel

12.5LTA POWER GEN @1800 rpm 207 kWe 262 kWe

Document Courtesy of Fly Parts Guy Co.www.FlyPartsGuy.com

Document Courtesy of Fly Parts Guy Co.www.FlyPartsGuy.com

0

10

20

30

40

50

60

70

80

150

200

250

300

350

400

450

22 56 78 111 132 145 178 204 225 245

Power (kW)

Tota

l Fue

l(m³/

h)

BSFC

(g/k

W.h

)

0

5

10

15

20

25

30

200250300350400450500550600650700

15 35 55 75 95 115 135 155 175 195

Tota

l Fue

l(gal

/h)

BSFC

(g/k

W.h

)

Power(kW)

Rating Fuel60HZ (1800RPM) 50HZ (1500RPM)

kWm kWe kWm kWe

PRPNG 240 207 230 205 PG 180 150 150 130

STPNG 299 262 250 223 PG 180 150 150 130

84.6 in / 2,150 mm

53.5 in1,359 mm

44.7 in / 1,136 mmWP13GTA5.0 in x 6.5 in (127 mm x 165 mm)

765 cid (12,540 cc)6

9.7:1ECM

Natural Gas / PropaneTA

EPA Certified2,337 lb (1,060 kg)

(Natural Gas) (Liquid Propane Gas)

(Natural Gas) (Liquid Propane Gas)

12.5 -LITER TA ENGINE DATAModel NumberBore & StrokeDisplacementCylindersCompression ratioGovernor MethodFuel TypeAspirationEmission StandardDry Weight

Weichai reserves the right to interpret products and specifications, All data is subject to change without notice.

Weichai America Corp.3100 Golf Road Rolling Meadows, IL 60008Phone: 1-855-922(WAC)-9001www.weichaiamerica.com

0102030405060708090100

190

240

290

340

390

440

490

30 60 75 90 120 150 180 210 225 240 270 290 299 Power (kW)

Tota

l Fue

l(m³/

h)

BSFC

(g/k

W.h

)

0

5

10

15

20

25

200250300350400450500550600650700

10 30 50 70 90 110 130 150

Tota

l Fue

l(gal

/h)

BSFC

(g/k

W.h

)

Power(kW)

POWER RATINGS

1800RPM Fuel Consumption Curve

1500RPM Fuel Consumption Curve

Document Courtesy of Fly Parts Guy Co.www.FlyPartsGuy.com

Document Courtesy of Fly Parts Guy Co.www.FlyPartsGuy.com