Image Source: WIKIPEDIA
Some of the characteristics are as follows:
Basic Characteristics  Properties (Alcaligenes faecalis subsp. faecalis) 
Bromocresol purple milk  Alkaline reaction 
Capsule  Negative (ve) 
Catalase  Positive (+ve) 
Citrate  Positive (+ve) 
Flagella  Positive (+ve) 
Gelatin Hydrolysis  Negative (ve) 
Gram Staining  Gramnegative (ve) 
Growth in 7% NaCl  Positive (+ve) 
H2S  Negative (ve) 
Hemolysis  Positive (+ve) 
Indole  Negative (ve) 
Motility  Positive (+ve) 
Nitrate Reduction  Negative (ve) 
Nitrite Reduction  Positive (+ve) 
Oxidase  Positive (+ve) 
Pigment  Negative (ve) 
Shape  Rods or coccobacilli 
Spore  Negative (ve) 
Tween 80  Negative (ve) 
Urease  Negative (ve) 
Fermentation of 

Acetate  Positive (+ve) 
Adonitol  Negative (ve) 
Adipate  Negative (ve) 
Alanine  Positive (+ve) 
Arabinose  Negative (ve) 
Arabitol  Negative (ve) 
Cellulose  Negative (ve) 
DNase  Negative (ve) 
Fructose  Negative (ve) 
Galactose  Negative (ve) 
Glucose  Negative (ve) 
Gluconate  Negative (ve) 
Glutamate  Positive (+ve) 
Glycerol  Negative (ve) 
Glycogen  Negative (ve) 
Lactate  Positive (+ve) 
Malate  Positive (+ve) 
Maltose  Negative (ve) 
Mannitol  Negative (ve) 
Mannose  Negative (ve) 
Melibiose  Negative (ve) 
Propionate  Positive (+ve) 
Raffinose  Negative (ve) 
Rhamnose  Negative (ve) 
Sorbitol  Negative (ve) 
Starch  Negative (ve) 
Succinate  Positive (+ve) 
Sucrose  Negative (ve) 
Tartrate  Negative (ve) 
Xylose  Negative (ve) 
Enzymatic Reactions 

Esculin Hydrolysis  Negative (ve) 
Lysine Decarboxylase  Negative (ve) 
Ornithine Decarboxylase  Positive (+ve) 
References
 Brenner, D. J., Krieg, N. R., Garrity, G. M., & Staley, J. T. (2005). Bergey’s manual of systematic bacteriology: Volume two. New York: Springer.
 https://catalog.hardydiagnostics.com/cp_prod/Content/hugo/Alcaligenes.htm
 https://www.sciencedirect.com/topics/medicineanddentistry/alcaligenesfaecalis
 https://pdfs.semanticscholar.org/b442/3b2d604a0500e043ad92f9d7c90550bf38dd.pdf
 http://www.tgw1916.net/Alcaligenaceae/alcaligenes_faecalis.html
 https://www.revolvy.com/page/Alcaligenesfaecalis