Volvo MD2010 - Lubrication System; Fuel System; Injection Pump

Technical data
* Note: Temperatures with stable ambient temperature.
Fuelsystem
Valve springs
MD2010
MD2020 MD2030
MD2040
Length in mm (in) uncompressed
 33(l.299)
33(l.299) 35(l.377)
35(l.377)
with 79.4 N (58.56 ft.lbf) compression 
- 30.4 (1.196)
30.4 (1.196)
with 67.7 N (49.93 ft.lbf) compression 
28.3 (1.114) 28.3 (1.114) -
Push rods
Length in mm (in), total 
146 146 157
195.8-196.2
(5.748)
(5.748) (6.181)
(7.709-7.724)
Outer diameter in mm (in) 
6.3 6.3 6.3
6.2-6.4
(.2480) (.2480) (.2480)
(.2441-0.2520)
Rocker mechanism
Rocker shaft, diameter in mm  11.65-11.67
11.65-11.67 11.65-11.67
11.65-11.67
(.4586-.4594 in) (.4586-.4594 in)
(.4586-.4594 in) (.4586-.4594 in)
Clearance in mm, rocker shaft - bushing 
0.032-0.068 0.032-0.068 0.032-0.068
0.032-0.068
(.0012-.0026 in) (.0012-.0026 in)
(.0012-.0026 in) (.0012-.0026 in)
Lubrication system
MD2010 MD2020 MD2030
MD2040
Oil pressure in kPa, hot engine at running speed
150-500 150-500
150-500 150-500
(21.7-73 lbf/in t)
(21.7-73 lbf/in z) (21.7-73 lbf/in z)
(21.7-73
lbf/int)
Oil pressure in kPa, idling  50-150
50-150 50-150
50-150
(7.25-22 lbf/in z) (7.25-22 lbf/in z)
(7.25-22 lbf/in z) (7.25-22lbf/in z)
Relief valve, opening pressure in kPa
 294-490 294-490
294-490 245-345
(42.6-71 lbf/in') (42.6-71 lbf/in
t
)
(42.6-71 lbf/in z) (34.4-50 lbf/in z)
Oil pump:
Clearance, inner - outer impeller
 0.01-0.15 mm 0.01-0.15 mm
0.01-0.15 mm 0.01-0.15 mm
(.0004-.0059 in)
(.0004-.0059 in) (.0004-.0059 in)
(.0004-.0059 in)
Axial clearance, impeller - cover 
0.01-0.15 mm 0.01-0.15 mm 0.01-0.15 mm
0.01-0.15 mm
(.0004-.0059 in) (.0004-.0059 in) (.0004-.0059 in)
(.0004-.0059 in)
Oil quality as per API system 
Viscosity at -5 to +50°C* (+23 to +122°F)* 
CD
SAE 15W/40.
CD
SAE 15W/40.
CD
SAE 15W/40.
CD
SAE 15W/40.
SAE 20W/50
SAE 20W/50 SAE 20W/50
SAE 20W/50
Max. Oil volume incl. oil filter:
no engine tilt (version A/B) 
no engine tilt (version C) 
Min. Oil volume incl. oil filter:
no engine tilt (version A/B) 
1.8 litres
(1.9 US quarts)
1.9-litres
(2.0 US quarts)
1.5 litres
3.4 litres
(3.6 US quarts)
2.8 litres
(3.0 US quarts)
3.0 litres
4.3 litres
(4.5 US quarts)
3.5 litres
(3.7 US quarts)
3.2 litres
6.4 litres
(6.7 US quarts)
5.7 litres
(6.0 US quarts)
5.5 litres
no engine tilt (version C) 
(1.6 US quarts)
1.3 litres
(3.2 US quarts)
2.1 litres
(3.4 US quarts)
2.7 litres
(5.8 US quarts)
4.5 litres
(1.7 US quarts) (2.2 US quarts) (2.9 US quarts)
(4.8 US quarts)
MD2010
MD2020 MD2030 MD2040
I njection sequence 
1-2 1-2-3 1-2-3
1-2-3
Feed pump max. induction height in m (ft)  0.8 (2.62) 0.8 (2.62) 0.8 (2.62)
0.8 (2.62)
Feed pressure in kPa (lbf/inz)  15-25 (2.1-3.6) 15-25 (2.1-3.6)
15-25 (2.1-3.6) 15-25 (2.1-3.6)
I
njection pump
M D2010 M D2020
MD2030 MD2040
Start of injection, crankshaft position  25.5° ±1° 25.5° +1°
22.51±10 21.0°
±10
........................................................................
B.T.D.C
B.T.D.C'
27.7°
±
1 °
B.T.D. C
3
21.5°±1°
B.T.D.C
5
19.0°±1°
Pump element, diameter in mm (in)  4.5 (.1771)
B.T.D. C
2
4.5 (.1771)
B.T.D.C
4
5.5 (.2165)
B.T.D. C
6,7
5.5 (.2165)
stroke length in mm (in)  6(.2362)
6(.2362) 6(.2362)
7(.2755)
' up to and including engine number 5101311299
4
from engine number 510101939
7
MD2040C
2
from engine number 5101311300
3
up to and including engine number 510101938
5
MD2040A/B product number 868748
6
MD2040B product number 868778
13