The Honda EM 4500 SX (1996-2004) has 4.5 kVA nominal output, 8.1 kW engine power, and 176.4 lb (80 kg) listed weight.
Honda EM 4500 SX at a glance
Where this model sits in the Honda generator lineup
Each marker shows the model’s percentile within the usable Honda gasoline-generator data.
Mid-range — dataset median: 4.15 kVA; comparison uses 48 Honda models.
Above avg. — dataset median: 165.3 lb (75 kg); comparison uses 48 Honda models.
Above avg. — dataset median: 6 kW; comparison uses 45 Honda models.
This model vs the Honda median
Output
4.5 kVA
4.15 kVA
Weight
176.4 lb (80 kg)
165.3 lb (75 kg)
Engine power
8.1 kW
6 kW
What the raw specs tell you
These are calculations from the listed specifications, not additional manufacturer ratings.
Weight per kVA
17.8 kg of listed weight per rated kVA. This represents more weight per unit of rated output than most comparable Honda models.
Engine power / rated output
1.8 kW of listed engine power per kVA of nominal generator output. This is a simple specification ratio, not an electrical efficiency rating.
Listed production span
9 years based on the supplied 1996-2004 range — a fairly long listed production run.
Electrical specifications
| Nominal output |
4.5 KVA4.1 KVA4.3 KVA
|
|---|---|
| Nominal voltage |
230 V90 V400 V
|
| Nominal current |
19.5 A170 A18 A
|
Honda EM 4500 SX engine specifications
| Engine manufacturer | Honda |
|---|---|
| Engine type | GX340 |
| Engine power | 8.1 kW |
Features and protection
Yes
No
No
No
No
No
Honda EM 4500 SX full specifications
| Years of manufacture | 1996-2004 |
|---|---|
| Model series | EM |
| Nominal output |
4.5 KVA4.1 KVA4.3 KVA
|
| Nominal current |
19.5 A170 A18 A
|
| Nominal voltage |
230 V90 V400 V
|
| Weight |
80 kg94 kg83 kg69 kg
|
| Engine manufacturer | Honda |
| Engine type | GX340 |
| Engine power | 8.1 kW |
| Electric starter | Yes |
| Automatic oil deficiency shutoff | No |
| Earth leakage monitor | No |
| Ground fault circuit interrupter | No |
| Thermo magnetic switch | No |
| Silenced | No |
Honda EM 4500 SX FAQ
These answers change with the model’s actual figures and its position within the Honda dataset.
Is the Honda EM 4500 SX a high-output generator?
Its 4.5 kVA nominal output lands around the middle of the Honda dataset (57th percentile). The comparison-group median is 4.15 kVA, so this is broadly a mid-range Honda output figure.
Is the Honda EM 4500 SX easy to move?
No — not in the casual carry-around sense. At 176.4 lb (80 kg), its listed weight is high enough that mechanical help, wheels or multiple people would normally be more realistic than lifting it. Within this Honda dataset it sits at the 60th percentile for weight.
Does the Honda EM 4500 SX have a good power-to-weight ratio?
It works out to about 17.8 kg per rated kVA. Compared with the other Honda models that have both figures available, that represents more listed weight per unit of rated output than most Honda models in the comparison. This is only a weight/output comparison, not a fuel-efficiency or electrical-efficiency measurement.
Does the Honda EM 4500 SX have electric start?
Yes. The supplied equipment data lists an electric starter, which makes routine starting more convenient than a recoil-only setup.
Is the Honda EM 4500 SX a quiet or silenced generator?
No. The supplied equipment data does not classify it as silenced. Without a measured dB figure, the data cannot tell us exactly how loud it is, but it should not be treated as a silenced/enclosed model based on these specs.
Does the Honda EM 4500 SX have low-oil protection?
No automatic oil-deficiency shutdown is listed in the supplied equipment data, so oil-level protection should not be assumed from this specification set.
How does the Honda EM 4500 SX engine size relate to its generator output?
The listed engine power is 8.1 kW against 4.5 kVA nominal generator output, a simple ratio of about 1.8 kW of engine power per rated kVA. That ratio is useful for comparing specification layouts, but kW of engine power and kVA of electrical output are different quantities and should not be treated as a direct efficiency calculation.