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John Deere IDLC125-3J User Manual

8l engine model, Standard conditions

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ENGINE PERFORMANCE CURVE

J

ohn

D

eere

Rating:

Gross Power

Application: Generator (60 Hz)

Target:

125 kWe Standby Market

PowerTech E

TM

6.8L Engine

Model:

6068HF285

180 hp (134 kW) Prime

197 hp (147 kW) Standby

[See Option Code Tables]

Nominal Engine Power @ 1800 RPM

Prime

Standby

HP

kW

HP

kW

180

134

197

147

Generator

Efficiency

%

Fan Power

(6% of Standby)

Power
Factor

Prime Rating

2

Standby Rating

1,2

ISO 8528 G2

Block Load

Capability

hp

kW

kWe

kVA

kWe

kVA

88-92

10.9

8.1

0.8

111-116

139-145

122-128

153-160

100%

Note 1: Based on nominal engine power.
Note 2: kWe / kVA rating assumes 90% efficiency. “Generator Efficiency %” will vary.

- PRIME

O - STANDBY

O)

70

(32)

50

(23)

30

(14)

100

140

180

220

(75)

(104) (134) (164)

Brake Power -- hp (kW)

STANDARD CONDITIONS

Air Intake Restriction................... 12 in.H

2

O (3 kPa)

Exhaust Back Pressure........... 30 in.H

2

O (7.5 kPa)

Gross power guaranteed within + or - 5% at SAE J1995
and ISO 3046 conditions:

77 °F (25 °C) air inlet temperature
29.31 in.Hg (99 kPa) barometer

104 °F (40 °C) fuel inlet temperature

0.853 fuel specific gravity @ 60 °F (15.5 °C)

Conversion factors:

Power: kW = hp x 0.746
Fuel: 1 gal = 7.1 lb, 1 L = 0.85 kg

Torque: N*m = lb-ft x 1.356

All values are from currently available data and are subject
to change without notice.

Notes:

All OEM Gen Set Engine Applications must be pre­

screened for torsional vibration compatibility with the

respective alternator end hardware.

OEM Engine Application Engineering will perform this

computer-based analysis work upon request.

Tier-3 Emission Certifications:

Certified by:

CARB; EPA

Ref: Engine Emission Label

a a. June '01

* Revised Data
Curve 6068HF2851800197 .

.Sheet 1 of 2

June 2007

Engine Performance Curves

6068 - Generator

June 2007