KB7

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	fact sheet

	Allison 501-KB7
	Features 5 WM Power class 32.7% Thermal efficiency Addition of single stage compressor boost module Core engine commonality with 501 -K family 30% increased exhaust flow Standard effusion cooled combustion liners DLE combustion system available Natural gas, liquid I and dual fuel configurations Mid-STU gas options Easily maintained modular design Competitive operating costs Single shaft cold end drive	Description The Allison 501-KB7 is the highest horsepower version (simple cycle) of the 501-K series of engines. A single stage boost compressor, improved vane cooling, higher strength turbine blades and many other enhancements have been incorporated for improved performance, durability and operating cost. The aero-derivative design of the 501-K series engine provides a lightweight, modular product that helps lower operating costs through improved fuel consumption, extended hot section life and ease of maintenance. Rolls-Royce knows there is more to customer satisfaction than manufacturing a quality gas turbine engine. Beginning with the finest designs, the most advanced manufacturing techniques and rigid verification testing, our team continues to serve our customers with a global network of support. These power products are backed by this comprehensive service worldwide.	industrial power


Allison 501-KB7

Industrial gas turbine engine specification*
Description	Allison 501-KB5S	Allison 501-KBKH **	Allison 501-KB7	Allison 501-KC5	Allison 501-KC7	Allison 601-K9	Allison 601-K11

Primary Application	Genset	Genset	Genset	Mech. Drive	Mech. Drive	Genset Mech. Drive	Genset Mech. Drive

Fuel Type	Gas	Gas	Gas	Gas	Gas	Gas	Gas

Shaft power, kw	4101	6750	5518	4101	5369	6711	8202
hp	5500	9050	7400	5500	7200	9000	11000

Heat rate, Kj/kW‑hr	11780	8530	10992	12018	11226	10710	10395
Btu/hp‑hr	8325	6028	7770	8495	7935	7570	7350

SFC, lbs/hp‑hr	0.407	0.300	0.380	0.416	0.389	0.370	0.360

Exhaust flow, kg/sec	15.4	18.4	20.8	15.5	20.8	24.4	30.8
lb/sec	33.9	40.6	45.8	34.2	45.8	53.9	67.9

Exhaust temp., deg °C	559	529	513	571	514	515	479
deg.°F	1040	982	956	1060	957	959	894

Output speed, (rpm)	14200	14600	14600	13600	13600	11500	11500

* Nominal engine performance, ISO, no losses, gaseous fuel 20,400 BTU/lb **Steam injection: 2.72 Kg/sec. @ 482°C (6.0 LB/sec @ 900°F)

Allison 501-KB7
Gas fuel - No losses - 14,600 (rpm)


	Rolls-Royce Allison P.O. Box 420 Indianapolis, Indiana 46206-0420 USA Phone: (317) 230-4151 Fax (317) 230-2900 www.rolls-royce.com	While this information is provided in good faith, no warranty or representation is given concerning such information, which must not be taken as establishing any contractual or other commitment binding upon Rolls-Royce Allison, its parent company or any of its subsidiary or associated companies.
from GTP 6128 (01/00)