Volvo TAD750GE Diesel Engine Technical Data

Jan. 10, 2022

Volvo TAD750GE Diesel Engine Technical Data

General

In-line four stroke diesel engine with direct injection. Rotation direction, anti-clockwise viewed towards flywheel. Turbocharged

Number of cylinders			6
Displacement, total		Litre in3	7.15 436.0
Firing order			1-5-3-6-2-4

Bore		Mm in	108 4.25
stroke		Mm in	130 5.12
Compression ratio			18
Wet weight	Engine only	Kg lb	770 1698
	Engine incl. Cooling system and air filtration system	Kg lb	945 2083
	Engine incl. Cooling system, air filtration system, and frame	Kg lb

Performance rpm 1500 1800

Prime power

Without fan

119

161

137

166

With fan

Standby power

Without fan

113

152

127

173

With fan

Torque at

Prime power

lbft

756

557

725

535

Standby power

lbft

831

613

796

588

Mean piston speed

M/s

Ft/sec

6.5

21.4

7.8

25.7

Effective mean pressure at:

Prime power

Mpa

psi

1.3

193

1.3

185

Effective mean pressure at:

Standby power

Mpa

psi

1.5

212

14.1

204

Max combustion pressure at

Prime power

Mpa

psi

12.8

1856

14.1

2045

Max combustion pressure at

Standby power

Mpa

psi

14.8

2147

14.5

2103

Total mass moment of inertia, J (mR²)

kgm²

lbft²

3.09

73.3

Friction power

25.84

35.36

Derating see technical diagrams

Engine noise emission

Test Standards: ISO 3744-1981 (E) sound power (without fan, cooler, intake and exhaust noise)

Tolerance ± 0.75 dB(A) rpm 1500 1800

Measured sound power Lw	No load	dB(A)	100.6	102.5
Measured sound power Lw	Prime power	dB(A)	103.2	105
	Standby power	dB(A)
Calculate sound pressure Lp at 1 m	No load	dB(A)	86.7	88.6
	Prime power	dB(A)	89.3	91.1
	Standby power	dB(A)

Unsilenced exhaust noise

Data calculated as sound pressure Lp.

Assumed microphone distance 1 m rpm 1500 1800

Prime power	dB(A)	113.9	116.5
Standby power	dB(A)

Test conditions for load acceptance data

Warm engine.	Generator	Model	Type of AVR
Warm engine.	MECC alte	ECP 34-1L/4

Load acceptance performance can vary due to actual alternator inertia, voltage regulator, type of load and local ambient conditions.

Single step load performance at 1500 rpm

Load(%)

Speed diff(%)

Recovery time (s)

Remaining load

Speed diff (%)

Recovery time (s)

prime

standby

prime

standby

(%)

prime

standby

prime

standby

0-20

0-40

0-60

0-80

0-100

100-0

1.6

2.8

4.8

7.5

12.8

7.7

1.8

3.5

5.4

9.8

13.7

8.6

2.0

2.1

3.0

2.6

3.3

1.9

1.4

2.6

3.1

2.6

4.0

1.9

20-100

40-100

60-100

80-100

8.7

5.0

3.1

1.8

10.8

5.5

3.1

1.8

2.9

2.2

1.6

1.5

3.4

2.0

1.9

2.0

Single step load performance at 1800 rpm

Load(%)

Speed diff (%)

Recovery time (s)

Remaining load

Speed diff(%)

Recovery time (s)

prime

standby

prime

standby

(%)

prime

standby

prime

standby

0-20

0-40

0-60

0-80

0-100

100-0

1.3

2.4

3.7

4.8

8.1

6,1

1.3

2.5

4.0

5.8

11.4

6,7

0.8

1.2

2.0

1.6

2.4

1,9

1.1

1.4

1.6

1.9

3.5

1,9

20-100

40-100

60-100

80-100

5.3

3.9

2.4

1.6

7.1

4.5

2.7

1.6

2.7

1.7

1.4

1,1

2.8

2.5

1.7

1,1

Cold start performance

Time from start to no load speed at ambient temperature	℃	20	s
		5	s
		-15°	s
		Min start temp°	s	-30,0	-30,0
Time from start to stay within 0.5% of no load speed at ambient temperature	℃	20	s
		5	s
		-15°	s

*With manifold heater 3,6 kW engaged, lubrication oil 15W/40 and block heater.

Block heater type	make	Power KW	Engaged hours	Cooling water temp engine block

Lubrication system

Lubricating oil consumption	Prime power	Litre/h US gal/h	0.05 0.013	0.05 0.013
	Standby power	Litre/h US gal/h	0.05 0.013	0.05 0.013
Oil system capacity including filters		Litre US gal	2.3 6,1
Oil sump capacity	max	Litre US gal	20 5.3
	min	Litre US gal	16 4.2
Oil change intervals/specifications		h	500
		h
		h
Engine angularity limits:	Front up	°	30
	Front down	°	30
	Side fill	°	35
Oil pressure at rated speed		kPa psi	300-500 44-73
Lubrication oil temperature in oil sump	max	℃ °F	125 257
Oil filter micron size		μ	17