Skip to main content 
Inter Club Navigation
home image Home Page 
   Contact Us  
  engine outline Engine List    Technical   video indicatorVideos  logo ball Engine Components 


Popular Diesel Engine Specs

CATERPILLAR D340 D343 and D348 Essential Diesel Engine Bolt Tightening Torques

 
CATERPILLAR D340, D343, D348
Main Bearing Bolts
Step 1 = 81 Nm, 60 lb.ft
Step 2 = + 120°

Click for CAT D340, D343, D348 
engine manuals and specs
 
CATERPILLAR D340, D343, D348
Connecting Rod Bolts
Step 1 = 120 Nm, 90 lb.ft
Step 2 = + 180°

Click for CAT D340, D343, D348 
engine manuals and specs
 
CATERPILLAR D340, D343, D348
Cylinder head Bolts
Step 1 = 240 Nm, 175 lb.ft
Step 2 = 340 Nm, 250 lb.ft
Step 3 = (repeat step 2)

Click for CAT D340, D343, D348 
engine manuals and specs
 

CATERPILLAR D340 D343 and D348 Diesel Engine Specs

 
CATERPILLAR D340 D343 and D348
Displacement and arrangement:
D340 - 9.7 liter, 595 CID 
  4 Cylinder in line 
D343 - 14.6 liter, 893 CID
  6 Cylinder in line 
D348 - 29.3 liter, 1786 CID
  v12 turbo aftercooled engine

Same bore and stroke for all three:
Bore - 5.4 in, 137 mm	 
Stroke - 6.5 in, 165 mm

Click for CAT D340, D343, D348 
engine manuals and specs
 
CATERPILLAR D340 D343 and D348
Power
D340 - In Scraper 619C
285 hp, 212 kW @2100 rpm

D343 - Marine T
continuous (shaft) 238 hp, 177 kW @1800 rpm
Max (flywheel) 395 hp, 294 kW @2000 rpm

D343 - Marine TA
continuous (shaft) 354 hp, 263 kW @1800 rpm
Max (flywheel) 550 hp, 409 kW @2000 rpm


D348 - Marine TA
continuous (shaft) 703 hp, 523 kW @1800 rpm
Max (flywheel) 1100 hp, 818 kW @2000 rpm

Click for CAT D340, D343, D348 
engine manuals and specs
 
CATERPILLAR D340 D343 and D348
Dimensions:
D343 approx:
length - 77 in, 1955 mm 
(incl heat exchanger)

width - 48 in, 830 mm

height - 39 in, 978 mm	

Weight:
approx:
D343 weight - 2230 lbs, 1014 kg
D348 weight - 8500 lbs, 3850 kg

Compression ratio:
15.0:1

Click for CAT D340, D343, D348 
engine manuals and specs
 

CATERPILLAR D340 D343 and D348 Diesel Engine Spec Sheets

 

CATERPILLAR D340 D343 and D348 Diesel Engine workshop repair Manuals

 

Caterpillar - Electro, Jakes Brake, Utility, and General items


Page Revision #8.5RsC 02-18