Engine Specifications; L Specification; Fluid Specifications; Engine - Mercury MerCruiser Diesel Inboard 2.8L Operation & Maintenance Manual

Section 3 - Specifications

Engine Specifications

2.8L Specification

Engine type
Displacement
Horsepower
Kilowatts
Firing order
Bore
Stroke
Rated engine RPM
Idle RPM in neutral (engine at normal operating temperature)
Oil pressure at idle
Oil pressure at 3800 RPM
Thermostat (water)
Thermostat (oil)
Coolant temperature
Electrical system
Alternator rating
Recommended battery rating

4.2L Specification

Description
Engine type
Displacement
Horsepower
Kilowatt
Firing order
Bore
Stroke
Rated engine RPM
Idle RPM in neutral (engine at normal operating
temperature)
Oil pressure at idle
Oil pressure at 3800 RPM
Thermostat (water)
Thermostat (oil)
Coolant temperature
Electrical system
Alternator rating
Recommended battery rating

Fluid Specifications

IMPORTANT: All capacities are approximate fluid measures.

Engine

IMPORTANT: You may need to adjust oil levels depending on the installation angle and cooling systems (heat exchanger and
fluid lines).
Always use the dipstick to determine the exact quantity of oil or fluid required.
Page 28
Description
In‑line 4‑cylinder diesel
94 mm (3.700 in.)
100 mm (3.937 in.)
2.4 bar (240 kPa [35 psi])
6.2 bar (620 kPa [87 psi])
80–85° C (176–185° F)
12‑volt negative (–) ground
1540 W, 14 V, 110 A
750 CCA, 950 MCA, or 180 Ah
Specifications
In‑line 6‑cylinder diesel
4.2 L (254 cid)
270 320
199 235
1‑5‑3‑6‑2‑4
94 mm (3.700 in.)
100 mm (3.937 in.)
3800
600
2.1 bar (210 kPa [30 psi])
6.6 bar (660 kPa [93 psi])
89° C (192° F)
87° C (187° F)
80–85° C (176–185° F)
12‑volt negative (–) ground
1540 W, 14 V, 110 A
750 CCA, 950 MCA, or 180 Ah
Specifications
2.8 L (169 cid)
220
162
1‑3‑4‑2
3800
700
83° C (181° F)
95° C (203° F)
350
257
90-8M0133679
eng
JUNE 2017