Engine Specifications > Allison 501-KB-7

fact sheet

Allison 501-KB7

Features5 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
DescriptionThe 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)