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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 degrees




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engine manuals and specs
 
CATERPILLAR D340, D343, D348
Connecting Rod Bolts

Step 1 = 120 Nm, 90 lb.ft
Step 2 = + 180 degrees




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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)

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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 D340 D343 and D348 Diesel Engine Specs

 
CATERPILLAR D340 D343 and D348
Displacement, arrangement,
bore and stroke

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, weight and 
compression ratio

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
 


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