2014/03/28 Caterpillar

New Software Is Used on Certain G3600 Petroleum Engines {1901, 1920}

Usage:

Engine: G3606 (S/N: 4ZS1-UP) G3608 (S/N: BEN1-UP) G3612 (S/N: BKE1-UP) G3616 (S/N: BLB1-UP)

Description of Change: The new software eliminates nuisance detonation shutdowns at reduced speeds and torque.

Adaptable To: The new software replaces the former software.

The new software is adaptable to the above engines back to first production.

Note: These software updates also apply to all converted Engine Supervisory System (ESS) to ADEM III engines.The new software and former software are listed in Tables 1 through 4.

Show/hide table

Table 1
G3606
New Software	Former Software	Emissions	Rated Timing	SCAC °C	Jacket Water °C	Speed (RPM)	Turbo	bhp
449-6139	296-0028	0.7 g/bhp-hr	18.4	32	88	1000	TPS	1895
449-6140	272-3564	0.7 g/bhp-hr	18.4	43	88	1000	TPS	1835
449-6131	364-8286	0.7 g/bhp-hr	18.4	54	88	1000	TPS	1775
449-6133	369-4618	0.5 g/bhp-hr	18.4	54	88	1000	TPS	1775

Show/hide table

Table 2
G3608
New Software	Former Software	Emissions	Rated Timing	SCAC °C	Jacket Water °C	Speed (RPM)	Turbo	bhp
449-6141	272-3569	0.7 g/bhp-hr	16.4	32	88	1000	TPS	2520
449-6142	292-9816	0.7 g/bhp-hr	16.4	43	88	1000	TPS	2445
449-6138	272-3567	0.7 g/bhp-hr	16.4	54	88	1000	TPS	2370
449-6137	364-8288	0.5 g/bhp-hr	16.4	54	88	1000	TPS	2370

Show/hide table

Table 3
G3612
New Software	Former Software	Emissions	Rated Timing	SCAC °C	Jacket Water °C	Speed (RPM)	Turbo	bhp
449-6143	272-3572	0.7 g/bhp-hr	16.4	32	88	1000	TPS	3785
449-6144	312-3351	0.7 g/bhp-hr	16.4	43	88	1000	TPS	3665
453-4344	364-8290	0.7 g/bhp-hr	16.4	54	88	1000	TPS	3550
449-6134	288-2596	0.5 g/bhp-hr	16.4	54	88	1000	TPS	3550

Show/hide table

Table 4
G3616
New Software	Former Software	Emissions	Rated Timing	SCAC °C	Jacket Water °C	Speed (RPM)	Turbo	bhp
449-6145	272-3590	0.7 g/bhp-hr	16.4	32	88	1000	TPS	5045
449-6146	288-2616	0.7 g/bhp-hr	16.4	43	88	1000	TPS	4890
449-6136	276-0099	0.7 g/bhp-hr	16.4	54	88	1000	TPS	4735
449-6135	292-9822	0.5 g/bhp-hr	16.4	54	88	1000	TPS	4735