HomeKohlerKohler 70 RZ

Kohler 70 RZ Generator Set

The Kohler 70 RZ is a 60 kW (75 kVA) Natural Gas standby generator set powered by a Ford LSG-875 engine. It is available at 120/240 V, 139/240 V, 127/220 V, 277/480 V, 220/380 V, 120/208 V and 347/600 V, 3-phase, 60 Hz and rated 210 A. It holds about 8.5 L (2.2 gal) of oil and 26.1 L (6.9 gal) of coolant, with a maximum ambient rating of 40 °C. Starting uses 1 battery rated 630 CCA at 12 V. The set measures 2242×864×1108 mm (88.3×34.0×43.6 in) and weighs about 950 kg (2094 lb). The same LSG-875 engine also powers generator sets from RSI.

60 kW
Standby
7.538 L
Displacement
8.5 L
Oil capacity
4
Document types

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Specifications

FuelNatural Gas
Frequency60.0 Hz
Standby power60 kW
Standby kVA75
Prime power55 kW
Oil capacity8.5 L
AlternatorKohler 4S7 (4-pole, Class H insulation)
Voltage options120/240 V, 139/240 V, 127/220 V, 277/480 V, 220/380 V, 120/208 V, 347/600 V
Phase3
Rated current210 A
Power factor0.8
Battery cranking630 CCA
Battery voltage12 V
Battery quantity1
Coolant capacity26.1 L
Max ambient40 °C
Dimensions (L×W×H)2242×864×1108 mm
Dry weight950 kg

Engine

Ford LSG-875
Oil capacity8.5 L
Coolant capacity28.4 L
Displacement7.538 L
AspirationTurbocharger
Rated speed1800 rpm

Maintenance & consumables

for the Ford LSG-875
ItemSpecCapacityPart #Interval
Air filter69 hr find
Fuel filter find
Oil filter×169 hr find
Belt69 hr find
Coolant
Oil

Common questions

What is the power rating of the Kohler 70 RZ?

The Kohler 70 RZ is rated 60 kW standby (75.0 kVA).

What engine does the Kohler 70 RZ use?

The Kohler 70 RZ is powered by the Ford LSG-875 engine.

What fuel does the Kohler 70 RZ use?

The Kohler 70 RZ runs on Natural Gas.

What is the oil capacity of the Kohler 70 RZ?

The Ford LSG-875 engine in the Kohler 70 RZ has an oil capacity of 8.5 liters.

What alternator does the Kohler 70 RZ use?

The Kohler 70 RZ uses a Kohler 4S7 alternator. It has 4 poles. Insulation class H.

Parts

51
Part #DescriptionQtySystem
241481Switch, high temperature 268298 Sender, water temperature1Sensor buy
255264Switch, low water temperature1Sensor buy
255913Switch, pressure1Sensor buy
271425Switch, anticipatory low oil pressure1Sensor buy
276206Hose, molded1Hose buy
952-696Gasket1Gasket buy
X-309-16Clamp, hose2Hose buy
X-380-1Connector, 1/8NPT x 1/4 in. ID hose1Hose buy
X-386-56Hose, flex. fuel 1/4 in. ID1Hose buy
X-577-6Hose, 5/8 ID x 112Hose buy
X-797-1Hose, flex1Hose buy
X-797-11Hose, flex1Hose buy
X-797-2Hose, flex1Hose buy
276378Installed Block Heater Kit / Interim Kit (120V)Service part / kit buy
276379Installed Block Heater Kit / Interim Kit (240V)Service part / kit buy
276691Block Heater1Service part / kit buy
276692Block Heater1Service part / kit buy
285054Silencer Residential R-M (Table 3)1Service part / kit buy
285086Silencer Industrial I-N (Table 3)1Service part / kit buy
285127Silencer Industrial I-N (Table 1)1Service part / kit buy
285775Silencer Residential R-M (Table 1)1Service part / kit buy
286788Silencer Critical C-BM (Table 1)1Service part / kit buy
290483Silencer Residential R-BM (Table 1)1Service part / kit buy
290484Silencer Residential R-N (Table 1)1Service part / kit buy
290485Silencer Residential R-BM (Table 3)1Service part / kit buy
290486Silencer Residential R-N (Table 3)1Service part / kit buy
290489Silencer Critical C-M (Table 3)1Service part / kit buy
290490Silencer Critical C-N (Table 3)1Service part / kit buy
290495Silencer Critical C-M (Table 1)1Service part / kit buy
290496Silencer Critical C-N (Table 1)1Service part / kit buy
326174Installed Block Heater Kit (120V)Service part / kit buy
326175Installed Block Heater Kit (240V)Service part / kit buy
326234Block HeaterService part / kit buy
326235Block HeaterService part / kit buy
326279Changeover KitService part / kit buy
326280Changeover KitService part / kit buy
952-048Pipe Plug 3/8 - 18 x .42 socket hex1Service part / kit buy
952-234Bolt - 5/16 - 18 x .8751Service part / kit buy
952-486Dowel - 1/2 x 1.001Service part / kit buy
952-539Bolt - 5/16 - 18 x 2.001Service part / kit buy
952-553Plug - Oil Passage In Block - 1/4 NPT1Service part / kit buy
952-554Plug - Water Drain - 1/4 NPT - Brass1Service part / kit buy
952-556Dowel1Service part / kit buy
952-561Plug - .060 O/S1Service part / kit buy
952-563Plug - 5/8 - 181Service part / kit buy
952-569Plug - Camshaft Rear Bearing - Standard1Service part / kit buy
952-570Plug - Camshaft Rear Bearing - .060 O/S1Service part / kit buy
952-577Pointer1Service part / kit buy
952-596Plug - 1.50 Cup1Service part / kit buy
952-688Cover1Service part / kit buy
952-689Block1Service part / kit buy

Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Fuel consumption

RatingLoadL/hgal/h
Standby25%
Standby50%
Standby75%
Standby100%

Available documents

Spec sheet — Kohler-70RZ-spec-sheet (Kohler)Reference — tt563 (Kohler)Parts manual — pb54 (Kohler)Parts manual — tp5614 (Kohler)Parts manual — tp5704 (Kohler)Service manual — tp5719 (Kohler)Service manual — tp5851 (Kohler)Service manual — tt739 (Kohler)